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DOI: 10.1055/s-0035-1546218
Patient-Reported Outcomes in Implant-Based Breast Reconstruction Alone or in Combination with a Titanium-Coated Polypropylene Mesh – A Detailed Analysis of the BREAST-Q and Overview of the Literature
Patienteneinschätzung und Zufriedenheit (Patient-Reported Outcomes) nach implantatgestützter Brustrekonstruktion alleine oder in Kombination mit einem titanbeschichteten Polypropylene-Netz – eine detaillierte Analyse des BREAST-Q und LiteraturüberblickCorrespondence
Publication History
received 05 March 2015
revised 21 April 2015
accepted 15 May 2015
Publication Date:
30 July 2015 (online)
- Background
- Patient and Methods
- Results
- Discussion
- Conclusion
- Responsibilities
- Acknowledgements
- References
Abstract
Background: Complication rates and surgical outcomes are well reported for implant-based breast reconstruction (IBBR) using supportive materials for the inferior pole of the breast. Patient-reported outcomes (PRO) are underrepresented. The aim of this study was to compare PRO in IBBR using implants alone or in combination with a synthetic mesh. Methods and Methods: PRO was measured in patients undergoing IBBR alone or in combination with a titanium-covered polypropylene mesh (TiLOOP® Bra). In this non-randomized observational trial PRO was retrospectively assessed using the validated self-reporting BREAST-Q. The raw responses of all questions applied in each domain and transformed BREAST-Q data using the Q-Score are presented. Results: Of 90 eligible women, 42 received IBBR alone and 48 received IBBR in combination with mesh. No differences in complication rates were observed. The return rate was 67.7 % and was comparable between the groups (p = 0.117). PRO revealed no differences regarding satisfaction with breast shape (p = 0.079), outcome (p = 0.604), nipple sensitivity (p = 0.502), preoperative information (p = 0.195), office staff (p = 0.462), psychosocial well-being (p = 0.370), sexual well-being (p = 0.508) and physical well-being (p = 0.654). Significant differences were noted regarding satisfaction with the surgeon (p = 0.013) and medical staff (p = 0.035) as well as the response behavior of certain questions of the sub-domains, thus helping to further stratify PRO with regards to aesthetic outcome. However, no differences were observed in the main BREAST-Q results. Conclusion: Use of the TiLOOP® Bra in IBBR results in comparable BREAST-Q scores compared with IBBR alone. Evaluating the BREAST-Q sub-domains helps to stratify PRO more profoundly and assists in interpreting the overall results and specific research questions.
#
Zusammenfassung
Hintergrund: Studien zur Patienteneinschätzung und Zufriedenheit (Patient-Reported Outcomes [PRO]) sind im Rahmen der implantatgestützten Brustrekonstruktion (BR) mit Materialien zur Stabilisierung des unteren Brustpols unterrepräsentiert. Ziel dieser Arbeit war der Vergleich von PRO in der implantatgestützten BR mit oder ohne Anwendung eines synthetischen Netzes. Material und Methoden: PRO wurde bei Patientinnen mit implantatgestützten BR alleine oder in Kombination mit einem titanbeschichteten Polypropylene-Netz (TiLOOP® Bra) untersucht. Mithilfe des selbstberichtenden BREAST-Q-Fragebogens wurde in dieser nicht randomisierten Beobachtungsstudie PRO restrospektiv ausgewertet. Rohscores aller Fragen der einzelnen Subdomains und die mit dem Q-Score transformierten BREAST-Q-Daten werden präsentiert. Ergebnisse: Von 90 Patientinnen erhielten 42 eine BR mit Implantaten alleine und 48 eine Implantatrekonstruktion mit Netz. Kein Unterschied in der Komplikationsrate wurde beobachtet. Die Rücklaufquote des Fragebogens lag bei 67,7 % und war zwischen den Gruppen vergleichbar (p = 0,117). PRO zeigte keine Unterschiede bez. Brustform (p = 0,079), Ergebnis (p = 0,604), Sensitivität des Nippels (p = 0,502), präoperativer Aufklärung (p = 0,195), Praxispersonal (p = 0,462), psychosozialer Zufriedenheit (p = 0,370), sexueller Zufriedenheit (p = 0,508) und physischer Zufriedenheit (p = 0,654). Signifikante Unterschiede zeigen sich bei Zufriedenheit mit Operateur (p = 0,013), medizinischem Personal (p = 0,035) sowie im Antwortverhalten bestimmter Fragen der Subdomains hilfreich, um PRO im Hinblick auf das ästhetische Ergebnis weiter zu stratifizieren. Zusammenfassung: Die Verwendung von TiLOOP® Bra in der implantatgestützten BR resultiert in vergleichbaren BREAST-Q Ergebnissen im Vergleich zur BR mit Implantaten allein. Die Untersuchung der Subdomains hilft, PRO weiter zu stratifizieren, und ist nützlich in der Interpretation der Gesamtergebnisse und spezifischer Forschungsfragen.
#
Key words
breast reconstruction - mesh - quality of life - TiLOOP® Bra - BREAST-Q - patient-reported outcomeSchlüsselwörter
Brustrekonstruktion - Netz - Lebensqualität - TiLOOP® Bra - BREAST-Q - PatientenzufriedenheitBackground
Breast cancer (BC) is the leading cancer in women with nearly 75 000 and 234 000 new diagnoses in Germany and the U. S. A., respectively [1]. In addition to the fear of this life-changing diagnosis, women are concerned about disfiguring surgical procedures. Although it is possible to treat 70 % of all BC patients with breast conserving surgery (BCS), mastectomy is indicated in the remaining 30 % of patients [2]. To overcome the psychosocial and emotional distress after mastectomy, immediate breast reconstruction (IBR) can be offered to affected patients. Thus, the burden of waking up after surgery with a breast missing can be avoided as concerns regarding disfiguration and appearance following mastectomy are central fears of BC patients [3]. Silicone implants are used in approximately 70 to 80 % of IBR procedures, and autologous procedures are performed in the remainder of cases [4]. Silicone breast implants have improved over the past years, and new medical products were introduced in implant-based breast reconstruction (IBBR) to improve the surgical outcome [5], [6]. Acellular dermal matrices (ADM) and synthetic meshes are increasingly used in IBBR to support the lower pole of the breast and define the inframammary fold [4]. These supportive products are discussed controversially, and complication rates range from 3.2 to 45.7 % [7], [8]. How these differences in complication rates affect womenʼs health-related quality of life (HR-QoL) when undergoing IBBR with or without supportive materials remains an unanswered question. Studies related to HR-QoL are underrepresented in reconstructive breast surgery, especially when using ADMs or meshes, and need to be investigated. Questions on the impact of daily life regarding personal, social and sexual relationships are important to women and must be addressed [9]. Comparative studies addressing these research questions are rare despite the fact that these materials are widely used. The BREAST-Q questionnaire gained more and more acceptance over the past years in evaluating HR-QoL in breast cancer patients undergoing different procedures of breast reconstruction [10].
Using the BREAST-Q questionnaire, it is possible to compare reconstructive results directly with other surgical procedures. The aim of this study was to investigate patient-reported outcome (PRO) in patients undergoing IBBR alone or in combination with a synthetic mesh widely used in Europe [11], [12]. Additionally, the BREAST-Q was evaluated question by question to identify for differences within the sub-domains of each scale and to further stratify and interpret our results. The identification of complication rates were secondary study aims.
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Patient and Methods
Study population
A retrospective single institute observational study and PRO using the BREAST-Q postoperative reconstruction module was performed. Patients with immediate IBBR undergoing skin-sparing (SSM) or nipple-sparing mastectomy (NSM) with silicone implants alone or in combination with titanium-coated polypropylene mesh (TiLOOP® Bra, pfm medical, Cologne, Germany) were included. The study was approved by the local ethics committee (registration number: A 2012-0093) and conformed to the Helsinki Declaration.
Study information, the patientsʼ informed consent forms and BREAST-Q were submitted by mail, and a stamped addressed envelope was provided to return to the questionnaire. Nonresponders were contacted a second time three months after the first mailing to increase the return rate. Patient demographics were registered by a retrospective chart review. Certified breast surgeons from the Working Group for Plastic, Aesthetic and Reconstructive Surgery in Gynecology (AWOgyn) performed all of the surgeries [13]. Follow-up was provided for at least four weeks as required by the standard definition of surgical site infections by the Centers of Disease Control and Prevention and the National Nosocomial Infection Surveillance System [14]. Mean follow-up was defined as the interval from reconstruction to answering the questionnaire.
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TiLOOP® Bra
TILOOP® Bra is a synthetic mesh that is approved for IBBR in Europe given its CE (Conformité Européenne) marking, which is the manufacturerʼs declaration that the product meets the requirements of applicable European Community directives. Its use has previously been described and therefore will not be described in detail here [11], [12].
#
BREAST-Q
The BREAST-Q is a validated PRO instrument to measure HR-QoL that meets international standards [15]. It is an accepted questionnaire to compare PRO from various types of reconstructive breast surgery. The postoperative reconstruction module consists of 116 questions, which are separated into two themes:
-
Patient Satisfaction and
-
Health-related Quality of Life.
Satisfaction domains include satisfaction with breast, satisfaction with nipple, satisfaction with abdomen, satisfaction with outcome, and satisfaction with care. Quality of life domains include psychosocial, sexual, and physical well-being (chest and upper body, abdomen and trunk). The patientsʼ responses to each scaleʼs items were transformed using the Q-Score scoring software, which converts raw survey scores from 1 through 3 or 5 to continuous scores, thus generating a total score ranging from 0 to 100. A higher score indicates increased satisfaction or HR-QoL. The evaluation of the abdomen and trunk was omitted given that it was not applicable to IBBR. The German BREAST-Q reconstruction module (postoperative) was validated and applied in accordance with the agreement with the MAPI Trust (http://www.mapi-trust.org/).
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Surgical technique
In general, all patients were evaluated for autologous or alloplastic BR based on patient preference, body habitus, co-morbidities, prior abdominal surgery, etc. Immediate heterologous BR with silicone implants was performed in standard fashion using an inverted-T horizontal skin reduction pattern in all patients. All implants were placed in a retropectoral pocket. Prior to IBBR, all patients were informed about the possible intraoperative use of this mesh. The surgical technique and patient selection using this mesh has previously been described in detail [11], [12]. All patients received in-breast drainage and antibiotic prophylaxis for three days.
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Complications
Complications were evaluated regardless of follow-up with a minimal follow-up requirement of 4 weeks. Capsular contraction was evaluated separately as an additional event.
#
Study aims
The primary study endpoint was the comparison of quality-of-life outcomes between patients undergoing IBBR alone or in combination with mesh.
#
Statistical analysis
Statistical analyses were performed using IBM® SPSS® 19.0. Categorical variables were assessed using the Pearsonʼs chi-square test or Fisherʼs exact test when applicable. The Kolmogorov-Smirnov test was performed to test for normal distribution of continuous variables. The studentʼs t-test or Mann-Whitney U-test was used for variable with a normal or non-normal distribution, respectively, to compare changes in mean scores. A p-value < 0.05 was considered significant.
#
#
Results
During the study period from January 2006 and January 2013, 90 patients underwent IBBR. Of these patients, 42 patients were subject to heterologous BR alone, and 48 patients received BR in combination with a mesh.
Patient characteristics
The overall return rate of the BREAST-Q was 67.7 % (61 of 90), with 64.3 % (n = 27) of patients in the IBBR alone group and 70.8 % (n = 34) of patients in the mesh group (p = 0.117) being evaluated. The mean follow-up was comparable in both groups at 18.0 (range 1–40) and 17.5 (range 1–83) months, respectively (p = 0.827). Patients in the mesh group exhibited a decreased body mass index (p = 0.003; [Table 1]). Patients with IBBR alone had increased mastectomy specimen weights (p = 0.012, [Table 1]) and implant volumes (p = 0.042). An additional inferior dermal flap was more frequently dissected in the IBBR alone group (p = 0.005). Nipple-sparing mastectomy was increasingly performed in the mesh group (p = 0.057). Two patient examples are presented in [Figs. 1] and [2].
![](https://www.thieme-connect.de/media/gebfra/201507/thumbnails/10-1055-s-0035-1546218-i932gf01.jpg)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
![](https://www.thieme-connect.de/media/gebfra/201507/thumbnails/10-1055-s-0035-1546218-i932gf02.jpg)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
Implant reconstruction with mesh (n = 34) |
Implant reconstruction alone (n = 27) |
p-value |
|
---|---|---|---|
* Data are provided as the mean ± SD. † Studentʼs t-test used to compare means of groups. § Mann-Whitney U test. □ Pearsonʼs chi-squared test. X Fisherʼs Exact test. BMI: body mass index; CHT: chemotherapy; BCT: breast conserving therapy; SLNB: sentinel lymph node biopsy; ALND: axillary lymph node dissection; LN: lymph node; SSM: skin-sparing mastectomy; NSM: nipple-sparing mastectomy. T data not available for all patients |
|||
Mean age (in years)* |
49.4 ± 8.4 (range 35–67) |
52.8 ± 9.4 (range 35–72) |
0.151† |
Mean BMI (kg/m2)* |
22.9 ± 2.8 (range 17.5–28.2) |
25.5 ± 3.4 (range 19.1–31.8) |
0.003† |
Weight mastectomy specimen (g)* |
240.9 ± 136.6 (range 100–609) |
398.9 ± 229.2 (range 120–1 000) |
0.012§ |
Volume implant (ml)* |
225.4 ± 72.6 (range 135–475) |
268.1 ± 82.8 (range 120–495) |
0.042† |
Smoking |
0.743□ |
||
|
10 |
9 |
|
|
24 |
18 |
|
Tumor stageT |
0.169□ |
||
|
14 |
6 |
|
|
16 |
14 |
|
|
3 |
6 |
|
General nodal statusT |
0.689X |
||
|
30 |
24 |
|
|
4 |
2 |
|
Chemotherapy |
0.615□ |
||
|
23 |
14 |
|
|
8 |
9 |
|
|
1 |
2 |
|
|
2 |
2 |
|
Surgical Indication |
0.916□ |
||
|
31 |
25 |
|
|
1 |
1 |
|
|
2 |
1 |
|
Previous surgeries |
0.533□ |
||
|
8 |
8 |
|
|
4 |
4 |
|
|
7 |
7 |
|
|
15/0 |
7/1 |
|
Radiotherapy |
0.405□ |
||
|
30 |
21 |
|
|
1 |
3 |
|
|
3 |
3 |
|
Additional dermal flap |
0.005□ |
||
|
7 |
15 |
|
|
27 |
12 |
|
Lymph node surgery during reconstruction |
0.013□ |
||
|
25 |
17 |
|
|
9 |
4 |
|
|
0 |
6 |
|
Reconstructive timing |
0.646X |
||
|
32 |
24 |
|
|
2 |
3 |
|
Type of reconstruction |
0.057X |
||
|
24 |
25 |
|
|
10 |
2 |
#
Complication rates
The complication rate of the complete collective of 90 patients was 21.1 %. For patients who returned the questionnaires, complications occurred in 25.9 % (n = 7) of patients in the IBBR alone group and in 8.8 % (n = 3) of patients in the mesh group (p = 0.075). No differences regarding seroma formation, skin infections, wound dehiscent or hematoma rate were observed. No difference in capsular contraction rate was observed between the groups (p = 0.390). Capsular contraction occurred in 11.1 % (n = 3) of patients in the IBBR group. Two patients had postoperative radiotherapy and capsular contraction occurred 6 and 9 months later. The third patient developed capsular contraction 6 months after surgery and was correlated with a persistent seroma formation. In the mesh group 5.9 % (n = 2) of patients developed a capsular contraction. One patient had postoperative radiotherapy and capsular contraction was observed 5 months later. The second capsular contraction was seen about 5 months after initial surgery. Mesh removal was necessary in the patient after radiotherapy.
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BREAST-Q results
The time from surgery to completion of the BREAST-Q correlated with the follow-up data. The results of the corresponding BREAST-Q domains are presented in [Table 2]. In both groups mean “satisfaction with breast” scores were considerably reduced compared with the “satisfaction with outcome” scores. The lowest mean scores were observed for “sexual well-being”. No differences were observed for items regarding aesthetic outcome after surgery. A tendency towards increased content regarding “satisfaction with breast” was observed in the IBBR alone group (60.6 vs. 54.2; p = 0.079). Patients in the mesh group were significantly less satisfied with regard to “satisfaction with surgeon” (p = 0.013) and “satisfaction with medical staff” (p = 0.035).
BREAST-Q domain |
No. completed |
Mean score (range 0–100) |
SD |
Difference of SD between groups |
p-value |
---|---|---|---|---|---|
SD: standard deviation |
|||||
Satisfaction with breasts |
0.079§ |
||||
|
27 |
60.6 (41–85) |
11.4 |
||
|
34 |
54.2 (25–100) |
16.5 |
||
5.1 |
|||||
Satisfaction with outcome |
0.604§ |
||||
|
25 |
75.4 (27–100) |
18.2 |
||
|
34 |
72.4 (21–100) |
22.7 |
||
4.5 |
|||||
Psychosocial well-being |
0.370§ |
||||
|
27 |
71.3 (41–100) |
15.9 |
||
|
34 |
68.1 (34–100) |
21.9 |
||
6.0 |
|||||
Sexual well-being |
0.508§ |
||||
|
20 |
54.5 (16–100) |
20.2 |
||
|
28 |
52.4 (34–100) |
22.9 |
||
2.7 |
|||||
Physical well-being: chest |
0.654§ |
||||
|
27 |
64.5 (43–100) |
14.7 |
||
|
33 |
65.7 (50–100) |
12.1 |
||
2.6 |
|||||
Satisfaction with nipples |
0.502§ |
||||
|
10 |
55.7(0–100) |
37.8 |
||
|
8 |
69.4 (0–100 |
33.1 |
||
4.7 |
|||||
Satisfaction with information |
0.195§ |
||||
|
27 |
69.8 (22–100) |
20.1 |
||
|
34 |
64.1 (19–100) |
19.3 |
||
0.8 |
|||||
Satisfaction with surgeon |
0.013X |
||||
|
27 |
91.3 (58–100) |
13.1 |
||
|
33 |
78.5 (19–100) |
22.2 |
||
9.1 |
|||||
Satisfaction with medical staff |
0.035X |
||||
|
27 |
91.7 (59–100) |
14.0 |
||
|
34 |
82.5 (28–100) |
19.5 |
||
5.5 |
|||||
Satisfaction with office staff |
0.462X |
||||
|
26 |
89.6 (45–100) |
17.7 |
||
|
34 |
87.0 (38–100) |
18.9 |
||
1.2 |
A detailed question-by-question analysis of each BREAST-Q domain revealed only few items that significantly differed within the subgroups. A detailed analysis of “satisfaction with breast and nipple” revealed three questions with statistically significant differences ([Table 3]). Patients with implants alone had higher scores regarding “how breasts are lined up in relation to each other” (p = 0.044) and “how the reconstructed breast feels like a natural part of the body” (p = 0.046). Patients in the mesh group exhibited higher scores of satisfaction for “natural look of nipple” after reconstruction (p = 0.038). No differences were observed regarding “satisfaction with outcome” ([Table 3]). The same response behavior was observed for psychosocial environment, sexuality and physical restrictions ([Table 4]). [Table 5] describes deviations of the domain-specific answers of patients regarding “information received from reconstructive surgeon” and “opinion of reconstructive surgeon”. In both domains, a high number of significantly different answers were observed. In addition, the final BREAST-Q score revealed significant differences for “satisfaction with surgeon” (p = 0.013, [Table 2]). Domain-specific questions on “opinion of medical team other than surgeon” demonstrated decreased satisfaction patterns for patients in the mesh group for the sub-domains “made me feel comfortable” (p = 0.032, [Table 5]) and “time for my concerns” (p = 0.003).
BR with implant alone (n = 27) |
BR using mesh (n = 34) |
||||||
---|---|---|---|---|---|---|---|
BREAST-Q domain |
n |
Mean score |
SD |
n |
Mean score |
SD |
p-value |
BR: breast reconstruction; n = number completed; SD: standard deviation |
|||||||
Domain-specific questions |
|||||||
Satisfaction with breasts (answers range from 1 to 4 points) |
|||||||
|
27 |
3.67 |
0.480 |
34 |
3.29 |
0.906 |
0.135§ |
|
27 |
3.56 |
0.577 |
33 |
3.36 |
0.822 |
0.485§ |
|
27 |
3.56 |
0.641 |
34 |
3.44 |
0.746 |
0.577§ |
|
26 |
3.54 |
0.647 |
33 |
3.09 |
1.042 |
0.121§ |
|
27 |
3.19 |
0.786 |
34 |
3.18 |
0.968 |
0.785§ |
|
27 |
3.11 |
0.698 |
34 |
2.56 |
1.106 |
0.044§ |
|
26 |
3.19 |
0.895 |
33 |
3.00 |
1.031 |
0.521§ |
|
27 |
2.85 |
0.864 |
34 |
2.59 |
0.892 |
0.290§ |
|
27 |
2.78 |
0.934 |
34 |
2.56 |
1.050 |
0.425§ |
|
27 |
2.96 |
0.706 |
33 |
2.67 |
0.890 |
0.237§ |
|
27 |
3.07 |
0.730 |
34 |
2.79 |
0.946 |
0.260§ |
|
27 |
2.81 |
0.834 |
33 |
2.39 |
0.966 |
0.101§ |
|
27 |
2.59 |
0.694 |
33 |
2.15 |
0.906 |
0.046§ |
|
26 |
2.58 |
0.945 |
34 |
2.18 |
0.869 |
0.090§ |
|
26 |
2.96 |
0.916 |
30 |
2.53 |
1.008 |
0.102§ |
|
27 |
2.44 |
0.751 |
34 |
2.21 |
0.946 |
0.193§ |
Satisfaction with nipple reconstruction (answers range from 1 to 4 points)Y |
|||||||
|
10 |
2.90 |
1.197 |
7 |
3.43 |
0.787 |
0.290X |
|
10 |
2.70 |
1.252 |
7 |
3.57 |
0.535 |
0.072X |
|
10 |
2.70 |
1.252 |
7 |
3.71 |
0.488 |
0.038X |
|
9 |
2.56 |
1.424 |
7 |
3.43 |
0.535 |
0.119X |
|
10 |
2.40 |
1.174 |
7 |
3.29 |
0.756 |
0.078X |
Satisfaction with outcome (answers range from 1 to 4 points) |
|||||||
(Questions about BR using implants) |
|||||||
|
25 |
3.28 |
0.792 |
34 |
3.03 |
1.029 |
0.431§ |
|
26 |
3.19 |
0.895 |
34 |
3.09 |
0.996 |
0.755§ |
Satisfaction with outcome (answers range from 1 to 3 points) |
|||||||
(Questions about satisfaction with the breast reconstructive surgery) |
|||||||
|
25 |
2.88 |
0.440 |
34 |
2.85 |
0.500 |
0.899§ |
|
25 |
2.80 |
0.577 |
34 |
2.85 |
0.436 |
0.924§ |
|
25 |
2.88 |
0.440 |
34 |
2.79 |
0.592 |
0.619§ |
|
25 |
2.92 |
0.400 |
34 |
2.79 |
0.592 |
0.302§ |
|
25 |
2.56 |
0.651 |
32 |
2.47 |
0.803 |
0.857§ |
|
25 |
2.28 |
0.542 |
34 |
2.09 |
0.712 |
0.314§ |
|
25 |
2.20 |
0.500 |
34 |
2.09 |
0.712 |
0.582§ |
BR with implant alone (n = 27) |
BR using mesh (n = 34) |
||||||
---|---|---|---|---|---|---|---|
BREAST-Q domain |
n |
Mean score |
SD |
n |
Mean score |
SD |
p-value |
BR: breast reconstruction; n = number completed; SD: standard deviation |
|||||||
Domain-specific questions |
|||||||
Psychosocial environment (answers from 1 to 5 points) |
|||||||
|
27 |
4.41 |
0.694 |
34 |
4.06 |
0.983 |
0.199§ |
|
27 |
4.30 |
0.775 |
34 |
4.06 |
1.013 |
0.462§ |
|
27 |
4.19 |
0.879 |
34 |
4.03 |
1.058 |
0.704§ |
|
27 |
4.15 |
1.099 |
34 |
3.94 |
1.205 |
0.490§ |
|
27 |
4.44 |
0.641 |
34 |
4.06 |
0.983 |
0.155§ |
|
27 |
4.44 |
0.641 |
34 |
4.32 |
0.843 |
0.760§ |
|
27 |
4.00 |
0.920 |
34 |
3.91 |
1.083 |
0.890§ |
|
27 |
4.22 |
0.641 |
34 |
3.79 |
1.225 |
0.300§ |
|
26 |
4.08 |
0.796 |
34 |
3.68 |
1.296 |
0.419§ |
|
26 |
3.88 |
0.864 |
34 |
3.62 |
1.129 |
0.395§ |
Sexuality (answers from 1 to 5 points and n. a.) |
|||||||
|
19 |
3.95 |
0.848 |
28 |
3.68 |
1.156 |
0.537§ |
|
19 |
3.26 |
1.240 |
28 |
3.14 |
1.353 |
0.755X |
|
19 |
3.26 |
1.195 |
28 |
3.14 |
1.407 |
0.754X |
|
19 |
3.53 |
1.219 |
28 |
3.15 |
1.167 |
0.233§ |
|
19 |
2.89 |
1.197 |
28 |
2.86 |
1.297 |
0.876§ |
|
19 |
2.68 |
1.108 |
28 |
2.79 |
1.287 |
0.806§ |
Physical restrictions (answers from 1 to 5 points) |
|||||||
|
27 |
2.41 |
1.248 |
33 |
2.82 |
1.103 |
0.163§ |
|
27 |
2.59 |
1.448 |
33 |
2.64 |
1.025 |
0.760§ |
|
27 |
2.56 |
1.311 |
33 |
2.67 |
1.242 |
0.334X |
|
27 |
2.67 |
1.301 |
33 |
2.33 |
1.021 |
0.325§ |
|
27 |
1.89 |
1.086 |
33 |
1.55 |
0.711 |
0.341§ |
|
27 |
2.52 |
1.221 |
33 |
2.52 |
1.093 |
0.969§ |
|
27 |
2.52 |
1.369 |
33 |
2.18 |
1.261 |
0.342§ |
|
26 |
2.23 |
0.992 |
33 |
1.94 |
1.088 |
0.234§ |
|
26 |
1.96 |
1.183 |
33 |
1.79 |
0.960 |
0.697§ |
|
26 |
2.50 |
0.860 |
32 |
2.59 |
1.043 |
0.699§ |
|
27 |
2.56 |
1.188 |
33 |
2.48 |
1.121 |
0.945§ |
|
27 |
2.52 |
1.369 |
33 |
2.61 |
1.223 |
0.788§ |
|
27 |
1.74 |
0.903 |
33 |
1.55 |
0.794 |
0.396§ |
|
27 |
1.96 |
0.980 |
33 |
1.67 |
0.692 |
0.289§ |
|
26 |
1.92 |
1.017 |
33 |
1.67 |
0.777 |
0.413§ |
|
27 |
1.44 |
0.698 |
33 |
1.24 |
0.502 |
0.249§ |
BR with Implant alone (n = 27) |
BR using mesh (n = 34) |
||||||
---|---|---|---|---|---|---|---|
BREAST-Q domain |
n |
Mean score |
SD |
n |
Mean score |
SD |
p-value |
BR: breast reconstruction; n = number completed; SD: standard deviation; n. a.: not available |
|||||||
Domain-specific questions |
|||||||
Information received from reconstructive surgeon (answers from 1 to 4 points) |
|||||||
|
27 |
3.52 |
0.893 |
34 |
3.44 |
0.786 |
0.437§ |
|
27 |
3.37 |
0.839 |
33 |
3.12 |
0.960 |
0.313§ |
|
27 |
3.44 |
0.801 |
33 |
3.21 |
0.893 |
0.294§ |
|
27 |
3.30 |
0.993 |
33 |
3.33 |
0.777 |
0.768§ |
|
27 |
3.59 |
0.797 |
32 |
3.59 |
0.756 |
0.899§ |
|
26 |
3.58 |
0.809 |
31 |
3.29 |
0.864 |
0.097§ |
|
26 |
3.46 |
0.811 |
33 |
3.33 |
0.854 |
0.536§ |
|
26 |
3.38 |
0.898 |
33 |
3.27 |
0.944 |
0.619§ |
|
26 |
3.35 |
0.892 |
32 |
2.88 |
1.129 |
0.107§ |
|
26 |
3.31 |
0.788 |
33 |
3.12 |
0.960 |
0.536§ |
|
26 |
3.27 |
0.778 |
32 |
2.75 |
0.984 |
0.045§ |
|
25 |
3.16 |
0.898 |
32 |
2.97 |
0.967 |
0.464§ |
|
22 |
3.05 |
0.899 |
32 |
2.84 |
1.019 |
0.512§ |
|
31 |
2.78 |
0.736 |
31 |
2.48 |
1.061 |
0.237§ |
|
32 |
3.20 |
0.707 |
32 |
3.00 |
1.016 |
0.657§ |
Opinion of reconstructive surgeon (answers from 1to 4 points) |
|||||||
|
25 |
3.96 |
0.192 |
32 |
3.88 |
0.336 |
0.231§ |
|
27 |
3.93 |
0.267 |
33 |
3.64 |
0.742 |
0.074§ |
|
27 |
3.74 |
0.594 |
33 |
3.57 |
0.708 |
0.241§ |
|
27 |
3.89 |
0.320 |
33 |
3.52 |
0.795 |
0.035§ |
|
27 |
3.93 |
0.267 |
33 |
3.55 |
0.666 |
0.005§ |
|
27 |
3.81 |
0.396 |
33 |
3.36 |
0.929 |
0.046§ |
|
27 |
3.81 |
0.396 |
33 |
3.73 |
0.674 |
0.938§ |
|
27 |
3.89 |
0.320 |
33 |
3.45 |
0.794 |
0.011§ |
|
26 |
3.85 |
0.368 |
33 |
3.52 |
0.755 |
0.059§ |
|
27 |
3.85 |
0.362 |
33 |
3.36 |
0.859 |
0.008§ |
|
27 |
3.89 |
0.320 |
32 |
3.38 |
0.833 |
0.004§ |
|
27 |
3.67 |
0.555 |
32 |
3.31 |
0.780 |
0.058§ |
Opinion of medical team other than surgeon (answers from 1–4 points) |
|||||||
|
27 |
3.78 |
0.424 |
34 |
3.47 |
0.615 |
0.038§ |
|
27 |
3.89 |
0.320 |
34 |
3.65 |
0.646 |
0.115§ |
|
27 |
3.74 |
0.526 |
33 |
3.67 |
0.540 |
0.512§ |
|
27 |
3.85 |
0.362 |
34 |
3.65 |
0.646 |
0.226§ |
|
27 |
3.85 |
0.362 |
34 |
3.47 |
0.788 |
0.032§ |
|
27 |
3.78 |
0.424 |
34 |
3.53 |
0.706 |
0.153§ |
|
27 |
3.81 |
0.396 |
34 |
3.26 |
0.828 |
0.003§ |
Opinion of medical office (answers from 1 to 4 points) |
|||||||
|
26 |
3.77 |
0.514 |
34 |
3.65 |
0.646 |
0.395§ |
|
26 |
3.81 |
0.402 |
34 |
3.74 |
0.448 |
0.515§ |
|
26 |
3.73 |
0.452 |
33 |
3.76 |
0.435 |
0.816§ |
|
26 |
3.77 |
0.430 |
34 |
3.76 |
0.431 |
0.968§ |
|
26 |
3.73 |
0.452 |
34 |
3.59 |
0.609 |
0.419§ |
|
26 |
3.77 |
0.514 |
34 |
3.65 |
0.544 |
0.287§ |
|
26 |
3.69 |
0.549 |
34 |
3.53 |
0.615 |
0.261§ |
#
#
Discussion
This study is one of the few to directly compare PRO in heterologous BR using a supportive mesh to support the lower pole of the breast. In the presented collective, we observed BREAST-Q scores comparable to other surgical procedures in IBBR, and scores for the mesh group were generally lower ([Table 6]). A detailed analysis of the BREAST-Q was useful to gain additional information regarding our specific research questions.
Author (year) |
Surgical procedure (n) |
Satisfaction with breast (n)a |
Satisfaction with outcome (n)a |
Sexual well-being (n)a |
Psychosocial well-being (n)a |
Physical well-being: chest (n)a |
Satisfaction with nipple (n)a |
---|---|---|---|---|---|---|---|
IBBR: implant-based breast reconstruction; BR: breast reconstruction; LDF: latissimus dorsi flap; PMRT: post mastectomy radiotherapy; n. a.: not available |
|||||||
Own results (2015) |
One-Stage IBBR alone (27) |
60.6 (27) |
75.4 (25) |
54.5(20) |
71.3 (27) |
64.5 (27) |
55.7 (10) |
Lee et al. (2014) [18] |
IBBR using a LDF – traditional surgery (27) |
≈ 64 (n. a.) |
≈ 77 (n. a.) |
≈ 45 (n. a.) |
≈ 70 (n. a.) |
≈ 70 (n. a.) |
≈ 70 (n. a.) |
Albornez et al. (2014) [19] |
IBBR alone without radiation (414) |
64.0 (n. a.) |
71.4 (n. a.) |
52.3 (n. a.) |
70.9 (n. a.) |
75.1 (n. a.) |
n. a. |
Davis et al. (2014)c [20] |
IBBR alone and autologous BR (65) |
61 (24) |
80 (26) |
65 (33) |
77 (24) |
68 (21) |
n. a. |
Susarla et al. (2014) [21] |
One-stage IBBR (65) |
≈ 65 |
≈ 72 |
≈ 68 |
≈ 79 |
≈ 79 |
≈ 44 |
Eltahir et al. (2014) [22] |
IBBR (45) |
65.5 (n. a.) |
74.5 (n. a.) |
61.1 (n. a.) |
77.5 (n. a.) |
71.2 (n. a.) |
63.6 (n. a.) |
Liu et al. (2014) [23] |
IBBR alone (48) |
64.2 (48) |
63.3 (48) |
52.1 (48) |
75.5 (48) |
78.7 (48) |
n. a. |
Peled et al. (2014) [24] |
Total Skin-Sparing Mastectomy (28) (after 1 year of surgery) |
67.8 (n. a.) |
68.1 (n. a.) |
57.7 (n. a.) |
74.9 (n. a.) |
72.5 (n. a.) |
76.4 (n. a.) |
Sugrue et al. (2013) [25] |
Immediate postmastectomy BRd (30) |
64 (n. a.) |
(n. a.) |
54 (n. a.) |
69 (n. a.) |
81 (n. a.) |
92 (n. a.) |
Macadam et al. (2013) [26] |
IBBR using anatomical implants (63) |
64.5 (63) |
76.8 (63) |
50.1 (61) |
73.3 (63) |
74.7 (62) |
n. a. |
Salgarello et al. (2012) [27] |
One-stage IBBR using the inverted-T skin-reducing mastectomy (14) |
79.2 (14) |
80.4 (14) |
83.5 (10) |
85.7 (14) |
88.4 (14) |
84.9 (9) |
Goyal et al. (2011) [28] |
Autologous dermal sling assisted IBBR (28) |
60.0 (14) |
75.0 (14) |
54.8 (14) |
69.6 (14) |
75.1 (14) |
n. a. |
McCarthy et al. (2010)e, f [29] |
IBBR silicone implants (176) IBBR using saline implants (306) |
58.0 (176) |
n. a. |
n. a. |
n. a. |
n. a. |
n. a. |
Macadam et al. (2009)e [30] |
IBBR silicone implants (75) |
63.8 (75) |
75.4 (75) |
54.4 (71) |
77.6 (75) |
76.2 (74) |
n. a. |
Although no differences were observed regarding “satisfaction for breast” within the two groups, answers to three questions on the questionnaire were significantly different. Specifically, “how the reconstructed breast feels like a natural part of the body” was of particular interest for our study population. The different raw scores for this specific question might be attributed to the fact that the mesh is more palpable in the skin than initially expected. The feel of the implant alone without mesh might provide a better sensation for the patient; however, the main BREAST-Q result for “satisfaction with breast” did not exhibit any differences.
Although the numerical values for “satisfaction with breast” and “outcome” were rather poor, most patients would undergo the same surgical procedure again. With mean scores of 2.88 (IBBR group) and 2.79 (mesh group, answers from 1–3 points), this was regardless of whether mesh was used and was evaluated in the subgroup “satisfaction with outcome”. Patients also reported no regrets with their respective surgery, as reflected by high mean scores in both groups ([Table 4]); however, the outcome did not perfectly align with patient expectations. This finding is an indication that patients themselves might be more satisfied with the surgical outcome compared with a surgeonʼs point of view. BC patients seemingly do not rate their aesthetic outcome primarily by the aesthetic result. Rather, the outcome is influenced by multiple factors, whereas surgeons overestimate the surgical outcome as a single parameter for general satisfaction. This observation is supported by a recent study comparing assessments by patients and medical professionals regarding aesthetic outcome following IBBR [16]. Patients rated superior outcomes compared with medical professionals with regard to breast size, form, IMF position and symmetry as well as scar look and scar position. Gerber et al. reported only minimal differences when patients or medical professional evaluated the aesthetic result after SSM with IBBR or autologous reconstruction. Yet, superior aesthetic ratings for both procedures were noted by the patients [17]. One reason for this observation might be that patients undergoing BC therapy have concerns other than a “perfect breast”, thus pushing the aesthetic result to the background. The additional use of supportive materials in combination with implants did not appear to increase the aesthetic outcome or influence patient activity or daily life given that differences in physical restrictions were not observed in the final BREAST-Q or domain-specific questions. Due to the lack of tissue for reinforcement of the inferior pole of the breast, patients in the mesh group were more challenging. Using a mesh in these more complicated cases did not negatively influence the overall outcome compared with patients with sufficient tissue for the lower pole definition.
Although no difference was observed for the BREAST-Q domain “information received from reconstructive surgeon”, significant differences within the domain-specific questions were observed. Patients in the mesh group were less satisfied with information provided regarding how the breast surgery would be performed. With 3.44 of a maximal 4 points, the ratings were still high compared with 3.52 in the IBBR alone group. Interestingly, we observed decreased “satisfaction with surgeon” for the mesh group. Six differing responses were noted in the sub-domain “opinion of reconstructive surgeon”, all of which were in favor of the IBBR alone group. This finding potentially indicates an increased need for information from patients undergoing IBBR with the possibility of additional supportive materials. In addition, decreased satisfaction for “opinion on medical staff other than surgeon” was observed in the mesh group. With 82.5 points, the scores were still high. Nevertheless, more preoperative information for mesh patients appears to be necessary. As long-term results for these products are limited, informed consent discussions before surgery are more complex compared with patients undergoing IBBR alone. Uncertainties that can lead to patient dissatisfaction remain particularly when complications attributed to the mesh occur after surgery. Is the indication for postoperative radiotherapy known before surgery, the reconstruction should be postponed after radiation due to the increased risk of capsular contraction and autologeous tissue should be preferred.
Consistent with other PRO, we observed decreased “satisfaction for breast” in the entire study population and subsequently increased “satisfaction with outcome” scores [18], [19], [20], [21], [22], [23], [24], [25], [26], [27], [28], [29], [30]. In previous reports, this finding was observed regardless of whether autologous, heterologous or ADM-assisted BR was performed. An explanation for this finding potentially involves the different questions associated with each domain. On the other hand, aesthetic outcome is not the sole indicator of patient satisfaction [16]. Otherwise, decreased “satisfaction with breast” scales for the mesh group can indicate a more challenging group of patients with increased expectations. Patients were younger with lower BMIs, which are known to influence inferior aesthetic results in IBBR [31], [32]. With this information, a two-stage expander to implant approach could be favorable for patients with mesh BR given that additional refinements can be made during the second procedure.
The few studies available that evaluate PRO in autologous BR indicate increased satisfaction compared with IBBR [22]. Although increased Q-scores are observed for autologous BR, not all patients are eligible for or able to undergo autologous BR. This limitation is due to patient-related or geographic restrictions and a shortage of high-volume hospitals offering such demanding surgeries [23]. IBBR with or without supporting materials is therefore an adequate option with acceptable PRO. Patients in the mesh group had a significant lower BMI and it is known that in these patients the preparation of an additional dermal flap is often not possible. Especially in this group of patients the use of mesh can be of value to overcome restrictions that can be solved with the preparation of an additional dermal flap [10]. A limitation of our study is its retrospective design with a possible selection bias. Nevertheless this bias can be limited as patients without mesh had increased mastectomy weight specimens, higher BMIs, and consequently an additional dermal flap could more frequently be dissected. From the authors point of view patients in the mesh group could not been treated in an equal way, as in patients with mesh the definition of the IMF, the stabilization of the implant pocket and an additional coverage between implant and skin could not be been achieved in an satisfactory way. A further limitation is that patients were not randomized but by the breast surgeon during surgery self-selected into the corresponding treatment groups. Randomized clinical trials are difficult to perform in a surgical setting trying to evaluate the additional benefit of meshes or ADMs in IBBR. Firstly, companies have no interest in financing trials of two directly competing products, complicating the funding of such investigations. Secondly, a randomized controlled trial raises ethical questions for this population, as not all patients are in need for these products and using mesh or ADM in patients without any approved indication seems questionable. A controlled one-sided blinded clinical study might be an alternative approach and should be taken into consideration for further trials. Although we obtained a high return rate, patients experiencing good results are potentially more likely to respond, biasing the PRO. The return rate in both groups did not statistically differ. A medium-sized patient sample was investigated, which is partially consistent with previous reports. Thus, data should be carefully interpreted. A prospective approach of evaluating PRO at different time frames after surgery would reveal even more information. Cost analyses and comparisons were not included in this study. A strength of our study is the high response rate and the comparative approach. The study is not single armed and is comparable to earlier publications using ADM or mesh in IBBR.
#
Conclusion
Mesh use in IBBR results in comparable aesthetic BREAST-Q scores compared with IBBR alone. Although “satisfaction with breast” was decreased in the mesh group the “satisfaction with outcome” was comparable between the two groups. Using the BREAST-Q supports the critical medical indication for this mesh, whereas the experience of the surgeon is of central importance. Nevertheless, this product has its value in selected patients. Evaluating the BREAST-Q sub-domains aids in the stratification of patient outcomes more effectively. The system can also assist in the identification of important differences to better interpret the overall results of an individual research question.
#
Responsibilities
Max Dieterich, MD: idea, initiator, data collection, writing, coordination; Jan Angres: data collecting, reviewing; Johannes Stubert, MD: writing, surgeon, reviewing; Angrit Stachs, MD: writing, reviewing; Toralf Reimer, MD, PhD: reviewing, writing, surgeon; Bernd Gerber, MD, PhD: Reviewing, writing, surgeon.
#
Acknowledgements
Funding
All costs were covered by the hospital and the authors themselves. No funding from third parties was received. Costs for the mesh were covered by the Diagnoses Related Groups (DRG) system of the German Health Care System.
#
#
#
Conflict of Interest
Dr. Dieterich received research funds from KCI/Lifecell, pfm medical. This study is not related to regulatory considerations.
-
References
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Correspondence
-
References
- 1 Dieterich M, Stubert J, Reimer T et al. Influence of lifestyle factors on breast cancer risk. Breast Care (Basel) 2014; 9: 407-414
- 2 Dieterich M, Gerber B. Patient selection and technical considerations in nipple-sparing and areola-sparing mastectomy. Curr Breast Cancer Rep 2011; 3: 79-87
- 3 Ganz PA. Psychological and social aspects of breast cancer. Oncology (Williston Park) 2008; 22: 642-646 650, discussion 650–653
- 4 Gurunluoglu R, Gurunluoglu A, Williams SA et al. Current trends in breast reconstruction: survey of American Society of Plastic Surgeons 2010. Ann Plast Surg 2013; 70: 103-110
- 5 Dieterich M, Faridi A. Biological matrices and synthetic meshes used in implant-based breast reconstruction – a review of products available in Germany. Geburtsh Frauenheilk 2013; 73: 1100-1106
- 6 Scheflan M, Colwell AS. Tissue reinforcement in implant-based breast reconstruction. Plast Reconstr Surg Glob Open 2014; 2: e192
- 7 Kim JY, Davila AA, Persing S et al. A meta-analysis of human acellular dermis and submuscular tissue expander breast reconstruction. Plast Reconstr Surg 2012; 129: 28-41
- 8 Dieterich M, Stubert J, Gerber B et al. Biocompatibility, cell growth and clinical relevance of synthetic meshes and biological matrixes for internal support in implant-based breast reconstruction. Arch Gynecol Obstet 2015; 291: 1371-1379
- 9 Helms RL, OʼHea EL, Corso M. Body image issues in women with breast cancer. Psychol Health Med 2008; 13: 313-325
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