Annals of Plastic SurgeryPub Date : 2024-09-01Epub Date: 2024-06-15DOI: 10.1097/SAP.0000000000004010
Jane N Ewing, Ellen F Niu, Chris Amro, Zachary Gala, Mehdi S Lemdani, Ashley E Chang, Robyn B Broach, Joseph M Serletti, John P Fischer
{"title":"Balancing the Scales: Caution in Reduction Mammaplasty Recommendations for Obesity Class III Patients.","authors":"Jane N Ewing, Ellen F Niu, Chris Amro, Zachary Gala, Mehdi S Lemdani, Ashley E Chang, Robyn B Broach, Joseph M Serletti, John P Fischer","doi":"10.1097/SAP.0000000000004010","DOIUrl":"10.1097/SAP.0000000000004010","url":null,"abstract":"<p><strong>Introduction: </strong>The prevalence of obesity has risen worldwide, posing a problem to surgeons as obesity is a well-known risk factor for surgical outcomes. While prior studies have suggested performing reduction mammaplasty (RM) in patients with obesity, the variance in outcomes and quality of life (QoL) for obesity classes are ill-defined. We investigated whether obesity classes should be considered for RM by examining the surgical outcomes and QoL across different weight classes, aiming to pinpoint when outcomes become less favorable.</p><p><strong>Methods: </strong>Patients undergoing RM by nine surgeons from 2016 to 2022 were included. Body mass index (BMI) cohorts were formed according to the Center for Disease Control and Prevention (CDC) guidelines: Healthy (18.5-24.9 kg/m 2 ), overweight (25-29.9 kg/m 2 ), obesity class I (30-34.9 kg/m 2 ), II (35-39.9 kg/m 2 ), and III (>40 kg/m 2 ). QoL was assessed by comparing preoperative and postoperative BREAST-Q scores within cohorts. A comparison analysis was performed between weight classes.</p><p><strong>Results: </strong>A total of 461 RM patients were identified (healthy: 83, overweight: 178, I: 142, II: 39, III: 19). Percentage of Black patients, procedure length, weight of tissue removed, and inferior pedicle technique all significantly increased as BMI increased ( P < 0.001). Higher BMI cohorts, especially class III, had significantly higher rates of surgical site infections (healthy: 0%, overweight: 1.1%, I: 1.4%, II: 0%, III: 15.8%, P < 0.01), fat necrosis (healthy: 1.2%, overweight: 5.1%, I: 7%, II: 0%, III: 22.2%, P = 0.01), dehiscence (healthy: 3.6%, overweight: 2.8%, I: 2.1%, II: 5.1%, III: 31.6%, P < 0.01), delayed healing (health: 4.8%, overweight: 11.2%, I: 16.9%, II: 28.2%, III: 42.1%, P < 0.01), minor T-point breakdown (healthy: 10.8%, overweight: 15.7%, I: 23.9%, II: 23.1%, III: 52.6%, P = 0.01), and surgical site occurrence requiring procedural intervention (healthy: 6.0%, overweight: 5.6%, I: 6.3%, II: 15.4%, III: 21.1%, P < 0.05). When compared to the other weight classes independently, class III was associated with unfavorable outcomes ( P < 0.05). Significant improvement in average postoperative QoL scores in satisfaction with breast, psychosocial well-being, sexual well-being, and physical well-being were seen in all cohorts except class III ( P < 0.05).</p><p><strong>Conclusions: </strong>Severe obesity class III patients undergoing RM have a higher yet still acceptable risk profile and should be counseled on the risks despite its improved quality of life.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141426173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Plastic SurgeryPub Date : 2024-09-01Epub Date: 2024-07-15DOI: 10.1097/SAP.0000000000004028
Yu-Chen Kuo, Jian-Jr Lee, Shyun-Jing Wee
{"title":"Free Fibular Osteocutaneous Flap Combined With Simultaneous Tendon Reconstruction for Midfoot Restoration After Myoepithelial Carcinoma Resection.","authors":"Yu-Chen Kuo, Jian-Jr Lee, Shyun-Jing Wee","doi":"10.1097/SAP.0000000000004028","DOIUrl":"10.1097/SAP.0000000000004028","url":null,"abstract":"<p><strong>Abstract: </strong>Myoepithelial carcinomas of soft tissue are rare, and most are malignant. The optimal treatment is surgical excision. The arches of the foot are a composite structure responsible for weight bearing and pressure distribution, so it is a vast challenge in reconstruction. We report a case of reconstruction of the midfoot with a free fibular bone flap and tendon graft. We review the literature to compare various options in foot reconstructions and sort out the outcomes of different bone flaps. The free fibula osteocutaneous flap is the superior choice for midfoot reconstruction owing to its sufficient length, strength, flexible skin paddles, easy-to-withstand osteotomy, and simultaneous tendon graft harvesting.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141625806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anvith Reddy, Mariam Saad, Salam Kassis, Patrick Assi, Wesley P Thayer, Isaac V Manzanera Esteve
{"title":"Challenges of Imaging the Greater Occipital Nerve Using Magnetic Resonance Imaging.","authors":"Anvith Reddy, Mariam Saad, Salam Kassis, Patrick Assi, Wesley P Thayer, Isaac V Manzanera Esteve","doi":"10.1097/SAP.0000000000004086","DOIUrl":"https://doi.org/10.1097/SAP.0000000000004086","url":null,"abstract":"<p><strong>Abstract: </strong>Migraine headaches are a significant global health concern, frequently managed with varying levels of success. Compression of the greater occipital nerve (GON) is hypothesized to contribute to pathology in some migraine patients, making extracranial nerve decompression surgery a potential intervention for refractory cases. However, accurate methods to image the GON along its tortuous course still need to be explored. Our group has developed magnetic resonance imaging sequences to track the GON. Yet, many challenges were met, which included navigating the GON's complex anatomy, understanding anatomical variants, and designing advanced magnetic resonance imaging sequences and coils to image the posterior scalp. Addressing these hurdles is vital to capture and understand GON pathology and guide potential interventions.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Treatment of Patients With Electrical Injury by Using Modified Forearm Venous Flap: Retrospective Case Series Study.","authors":"Chenglan Yang, Qi Wang, Xueqin Zeng, Jian Zhou, Lingli Jiang, Peng Hu, Zairong Wei","doi":"10.1097/SAP.0000000000004027","DOIUrl":"10.1097/SAP.0000000000004027","url":null,"abstract":"<p><strong>Objective: </strong>Severe hand electrical injuries often occur in functional areas such as joints; the repair requires attention to both appearance and function due to the visibility of the hand. This study aimed to present the clinical experience of successfully repairing hand electrical injuries using improved forearm venous flaps.</p><p><strong>Methods: </strong>From 2020 to 2022, 15 cases of severe hand electrical injuries were diagnosed, including 10 males and 5 females. Among them, 6 cases were repaired in the first web space, 4 in the thumb, 3 in the index finger, 2 in the middle finger, 2 in the ring finger, and 2 in the little finger. The size of venous flaps ranged from 2.0 cm × 1.8 cm to 12 cm × 4.0 cm. All patients underwent repair using improved forearm venous flaps. The follow-up period ranged from 5 to 8 months.</p><p><strong>Results: </strong>All flaps survived without serious complications. All patients were satisfied with the postoperative aesthetics and function of their hands.</p><p><strong>Conclusion: </strong>The improved forearm venous flap is a simple and reliable method for repairing hand electrical injuries.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141791755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Plastic SurgeryPub Date : 2024-09-01Epub Date: 2024-07-30DOI: 10.1097/SAP.0000000000004048
Jared Ethan McSweeney, Li Yenn Yong, Naveen Virin Goddard, Jason K Wong
{"title":"Does Secondary Mechanical Manipulation of Lipoaspirate Enhance the Vasculogenic Potential of Fat Grafts? A Systematic Review.","authors":"Jared Ethan McSweeney, Li Yenn Yong, Naveen Virin Goddard, Jason K Wong","doi":"10.1097/SAP.0000000000004048","DOIUrl":"10.1097/SAP.0000000000004048","url":null,"abstract":"<p><strong>Background: </strong>Fat grafting is a highly versatile option in the reconstructive armamentarium but with unpredictable retention rates and outcomes. The primary outcome of this systematic review was to assess whether secondary mechanically processed lipoaspirate favorably enhances the vasculogenic potential of fat grafts when compared to unprocessed lipoaspirate or fat grafts prepared using centrifugation alone. The secondary outcome was to assess the evidence around graft retention and improved outcomes when comparing the aforementioned groups.</p><p><strong>Methods: </strong>A search on MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials was conducted up to February 2022. All human and animal research, which provided a cross-comparison between unprocessed, centrifuged, secondary mechanically fragmented (SMF) or secondary mechanically disrupted (SMD) fat grafts, was included.</p><p><strong>Results: </strong>Thirty-one full texts were included. Vasculogenic potential was assessed by quantification of angiogenic growth factors and cellular composition. Cellular composition of mesenchymal stem cells, perivascular stem cells, and endothelial progenitor cells was quantified by fluorescence activated cell sorting (FACS) analysis. Fat graft volume retention rates and fat grafting to aid wound healing were assessed. Although the presence of industry-funded studies and inadequate reporting of methodological data in some studies were sources of bias, data showed SMF grafts contain an enriched pericyte population with increased vascular endothelial growth factor (VEGF) secretion. Animal studies indicate that SMD grafts may increase rates of fat graft retention and wound closure compared to centrifuged grafts; however, clinical studies are yet to show similar results.</p><p><strong>Conclusions: </strong>In this systematic review, we were able to conclude that the existing literature suggests mechanically processing fat, whether it be through fragmentation or disruption, improves vasculogenic potential by enhancing angiogenic growth factor and relevant vascular progenitor cell levels. Whilst in vivo animal studies are scarce, the review findings suggest that secondary mechanically processed fat enhances fat graft retention and can aid with wound healing. Further clinical studies are required to assess potential differences in human studies.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141992212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Annals of Plastic SurgeryPub Date : 2024-09-01Epub Date: 2024-06-15DOI: 10.1097/SAP.0000000000004008
Nirbhay S Jain, Amanda Miller, Meaghan L Barr, Christopher R Gajewski, Lacey Pflibsen, Kodi K Azari, Prosper Benhaim
{"title":"The Scratch-Collapse Test: Are Electrodiagnostic Changes Measurable?","authors":"Nirbhay S Jain, Amanda Miller, Meaghan L Barr, Christopher R Gajewski, Lacey Pflibsen, Kodi K Azari, Prosper Benhaim","doi":"10.1097/SAP.0000000000004008","DOIUrl":"10.1097/SAP.0000000000004008","url":null,"abstract":"<p><strong>Introduction: </strong>Carpal tunnel syndrome is commonly managed by hand and upper extremity surgeons. Though electrodiagnostics are considered the gold standard diagnosis, the scratch collapse test (SCT) was introduced to address uncertainty, despite remains controversial. To address this, we sought to identify if the SCT can correlate with EDS studies if the SCT can identify actual changes in measures of nerves.</p><p><strong>Methods: </strong>We reviewed patients who underwent electrodiagnostic studies (EDX) and SCT for carpal tunnel syndrome (CTS). Demographic data as well as sensorimotor amplitudes, latencies, and velocities on nerve conduction and electromyography were collected. Analogous values based on SCT findings were analyzed for statistical significance.</p><p><strong>Results: </strong>Three hundred fifty patients with CTS were included. Sensory and motor velocities and amplitudes were significantly lower in patients with a positive SCT. Motor values were independent of age, though younger patients had larger measured changes. Obese patients did not show any motor EDX changes with the scratch collapse test, though thinner patients did. All changes were seen in nerve conduction only.</p><p><strong>Conclusions: </strong>Carpal tunnel can be a difficult problem to diagnose as one study does not singularly determine the condition. The SCT was introduced to facilitate easier diagnosis. We demonstrate that the SCT correlates with changes on nerve conduction studies, especially in relation to decreased amplitudes and velocities, suggesting that it does identify changes in nerve with compression, specifically axonal, and myelin damage. These findings support the use of the SCT maneuver to evaluate and diagnose in appropriate patients.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141426188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Thuss Lectureship Series at Vanderbilt University.","authors":"Andrew J James, William C Lineaweaver","doi":"10.1097/SAP.0000000000004053","DOIUrl":"https://doi.org/10.1097/SAP.0000000000004053","url":null,"abstract":"<p><strong>Background: </strong>The Thuss lectureship began in 1978 and is carried at both Vanderbilt University Medical Center and Stanford Medical Center. The 2-day event consists of a resident and fellow workshop and dinner with an invited keynote speaker, followed by a didactic session and research presentation the following morning. This lecture honors the career of Dr Charles J. Thuss, Sr, and acts as a memorial for Dr Thuss, Jr, and his son, Carter. Trainee presentations have been catalogued since 2019, and we sought to identify the presentations that resulted in publications.</p><p><strong>Methods: </strong>Internal records from 2019 to 2022 were referenced to catalogue presenters and project titles. PubMed searches were conducted to identify projects from these presenters with direct links to their presentations at the lectureship series.</p><p><strong>Results: </strong>The event has been held consecutively from 1978 to 2023 with 44 keynote lecturers. Between 2019 and 2023, 17 residents, fellows, and medical students from Vanderbilt University Medical Center or/and the Tennessee Society of Plastic Surgery gave 19 research presentations for the Thuss lectureship at Vanderbilt. Due to the pandemic, no resident or trainee presentations were given in 2020. Nine of 11 project presentations resulted in publications, with presenters being the resultant first author of 6 of these articles.</p><p><strong>Conclusion: </strong>The Thuss lectureship at Vanderbilt serves as an academic conduit to share research and build camaraderie among plastic surgeons across Tennessee. Additionally, it fosters a platform for trainees to contribute to the academic literature and see projects from inception to publication.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrew J James, Nikolas Popa, Anvith Palla Reddy, Ricardo A Torres-Guzman, Galen Perdikis, William C Lineaweaver
{"title":"The Departmental Scholarly Index: A Metric of Research Productivity.","authors":"Andrew J James, Nikolas Popa, Anvith Palla Reddy, Ricardo A Torres-Guzman, Galen Perdikis, William C Lineaweaver","doi":"10.1097/SAP.0000000000004083","DOIUrl":"https://doi.org/10.1097/SAP.0000000000004083","url":null,"abstract":"<p><strong>Introduction: </strong>While bibliometric ranking systems have been designed to use citations, funding, and alumni productivity, there is a need for a simple metric that objectively evaluates the work of a group or organization. The present study describes a bibliometric tool, the Departmental Scholarly Index (DSI), for this purpose.</p><p><strong>Methods: </strong>Publications from academic plastic surgery programs in qualifying states of the Southeastern Society of Plastic and Reconstructive Surgeons released in 2022 were collected via PubMed affiliation search. Publications were recorded in a running list alongside the title and 2022 impact factor of their respective journals. The impact factors were averaged by summing the impact factors and dividing by the number of articles to obtain a raw average. Any publication in a journal with an impact factor greater than five multiples of the raw average was removed as an outlier. The remaining impact factors were then summed and give the final numerical value representing the DSI.</p><p><strong>Results: </strong>A total of 464 articles published in 139 individual journals were returned from PubMed between January 1, 2022, and December 31, 2022, for the 22 constituent departments. Calculated Spearman's rank coefficients comparing the DSI ranking with both the Doximity and Persad-Paisley rankings yielded values of 0.66 (P < 0.01) and 0.62 (P < 0.01), respectively. Overall, the DSI rankings largely agree with either the Persad-Paisley or Doximity rankings with notable differences seen in the rankings of Mayo Florida and the University of Alabama. A clear academic ranking of Southeastern Society of Plastic and Reconstructive Surgeons programs was generated from these data.</p><p><strong>Conclusions: </strong>The DSI represents a novel and simple approach to applying objective value to research with the advantage of using data bound to the most recent publication productivity.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Brussels Breast Surgery Fellowship | A Three-Month Experience in Advancing Skills in Breast Surgery.","authors":"Ioannis Kyriazidis","doi":"10.1097/SAP.0000000000004064","DOIUrl":"10.1097/SAP.0000000000004064","url":null,"abstract":"<p><strong>Abstract: </strong>The Brussels Breast Surgery Fellowship at Brussels University Hospital offers a unique 3-month clinical immersion in reconstructive and aesthetic breast surgery. Under the guidance of fellowship director Prof. Moustapha Hamdi and his esteemed colleagues, the fellow is exposed to a high volume and wide breadth of cases spanning autologous and implant-based breast reconstruction, oncoplastic surgery, breast reduction and mastopexy, implant augmentation, revision breast surgery, and fat grafting. The multidisciplinary team approach, involving close collaboration with breast surgeons, provides valuable experience in oncoplastic planning and execution. In addition to time in the operating theater, the fellow gains knowledge through outpatient clinics, didactic teaching sessions, and clinical research opportunities leveraging the department's extensive prospective database. As the 2023 fellowship awardee, I had the privilege of learning directly from Prof. Dr. Moustapha Hamdi and participating in over 130 cases across the reconstructive and aesthetic spectrum. Unique features of the fellowship included exposure to lymphedema surgery utilizing the Symani robotic system, advanced techniques like the internal bra, volume distribution mastopexies, observation of private aesthetic clinic cases, and optional participation in academic workshops. This fellowship represents an outstanding opportunity to refine one's skills in breast surgery and microsurgery while experiencing the rich culture of Belgium.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141987222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dongwen Jiang, Shuang Wang, Chenhao Ma, Jinxiu Yang, Leren He
{"title":"A Feasibility Study of HoloLens Ear Image Guidance for Ear Reconstruction.","authors":"Dongwen Jiang, Shuang Wang, Chenhao Ma, Jinxiu Yang, Leren He","doi":"10.1097/SAP.0000000000004043","DOIUrl":"https://doi.org/10.1097/SAP.0000000000004043","url":null,"abstract":"<p><strong>Background: </strong>An ideal 3D cartilage framework and accurate anatomical location are the most important factors to carry out a satisfactory reconstruction of the ear. To streamline this process, we developed an augmented reality assistance system, HoloLens Ear Image Guidance, which is based on computed tomography (CT) data, tailor-made navigation kits to guide reconstruction, data processing software, and HoloLens hardware. The objective of this study is to verify its feasibility in a clinical setting.</p><p><strong>Methods: </strong>This study first validated our system in healthy controls and then extrapolated data to test on patients with microtia. First, three healthy volunteers were recruited, and reconstructive navigation kits were made using 3D printing. CT data were collected for the head and neck and imported into the HoloLens Ear Image Guidance Application to generate a personalized 3D virtual ear image. Volunteers then wore the navigation kits while researchers observed them through the HoloLens to check accuracy, track delay, and view the ear image guide.Ten patients with unilateral microtia were recruited and CT data were collected, and reconstructive navigation kits were made to assist with surgery. The procedure was monitored to record the surgeon's experience wearing the HoloLens, the patients' complications associated with wearing navigation kit, and to measure the symmetry between the reconstructed ear and the reference counterpart.</p><p><strong>Results: </strong>In control patients, the deviation between the virtual image and the real ear was less than 2.4% (±0.22%); the tracking delay was less than 1.26 s (±0.09 s), the display effect was good, and surgeons did not report discomfort or dizziness while wearing the HoloLens. Volunteers did not report any pain from holding the navigation reference in their mouth during the test. Following validation, the HoloLens-assisted procedures were not associated with surgeon discomfort or dizziness. No complications were noted in patients including injury to the oral mucosa. Symmetry between the reconstructed ear and the contralateral ear was noted to be satisfactory in HoloLens-assisted surgery.</p><p><strong>Conclusions: </strong>The HoloLens Ear Image Guidance initially met clinical demands in registration accuracy, tracking speed, and subjective user experience, which can be used as the basis for continual software improvements and clinical application.</p>","PeriodicalId":8060,"journal":{"name":"Annals of Plastic Surgery","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142078919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}