Publications by authors named "Vollbach F"

Robot-assisted surgery represents a significant innovation in reconstructive microsurgery, providing enhanced precision and reduced surgeon fatigue. This study examines the integration of robotic assistance in a series of 85 consecutive robot-assisted microsurgical (RAMS) operations. It aims to evaluate changes in the integration of RAMS during the implementation phase in a single institution.

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The adoption of robot-assisted microsurgery (RAMS) is a cutting-edge advancement in the realm of microsurgery. The Symani Surgical System is CE approved and has recently gained FDA approval. It provides tremor elimination, motion scaling and improved ergonomics.

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Objective: Microsurgery necessitates precision and skill, with conventional methods often leading to surgeon discomfort due to prolonged static postures. The introduction of robot-assisted microsurgery using the Symani surgical system and a three-dimensional exoscope aims to enhance surgical precision while mitigating these ergonomic issues.

Methods: This prospective, single-center clinical study involved 50 preclinical training sessions and 87 robot-assisted microsurgical procedures at the authors' institution, covering a wide array of interventions from free flap reconstructions to nerve and lymphatic surgeries.

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Background: Dupuytren's disease (DD) is a systemic connective tissue disorder of the palm. It particularly affects men of Northern European or Caucasian origin over the age of 55. In addition to the classical surgical therapy via limited fasciectomy, Dupuytren's contracture can also be treated minimally invasively.

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Objective: Defect reconstruction of the hand by means of the free medial sural artery perforator (MSAP) flap.

Indications: Reconstruction of full-thickness defects on the hand with a thin non-bulky flap in cases of exposure of functional structures or in combination with simultaneous osteosynthetic procedures.

Contraindications: Prior surgery at the donor site or progressive peripheral artery occlusive disease.

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Introduction: Comparative data on free flap outcomes for elbow defect reconstruction are still lacking. This study aimed to compare complication rates of free muscle flaps (MFs) versus cutaneous flaps (CFs) for posterior elbow reconstruction.

Methods: In a single-center retrospective analysis, patients who underwent posterior elbow reconstruction with free MFs and CFs from 2000 to 2021 were analyzed.

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Introduction: A reconstructive option for extensive chest wall reconstruction is the free myocutaneous vastus lateralis muscle (VL) flap which can be performed in isolation or in conjunction with a fasciocutaneus anterolateral thigh (cVLALT) and/or myofasciocutaneous tensor fascia lata flap (cVLTFL). We aimed to directly compare the outcomes of these reconstructive options.

Methods: Patients who underwent oncological chest wall reconstruction with a free VL, cVLALT, or cVLTFL flap between February 2010 and 2022 were included in this retrospective study.

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Article Synopsis
  • This study investigates the use of the Symani surgical system for robot-assisted microsurgery in plastic and reconstructive procedures, specifically analyzing 50 consecutive cases.
  • The procedures included free tissue transfers and targeted muscle reinnervation, with an impressive 98% success rate for robot-assisted anastomoses, though challenges like size mismatches affected surgery duration.
  • Overall, the findings suggest that robot-assisted microsurgery can match traditional methods in outcomes, despite the learning curve and higher costs, offering advantages like greater precision.
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ChatGPT has garnered attention as a multifaceted AI chatbot with potential applications in medicine. Despite intriguing preliminary findings in areas such as clinical management and patient education, there remains a substantial knowledge gap in comprehensively understanding the chances and limitations of ChatGPT's capabilities, especially in medical test-taking and education. A total of n = 2,729 USMLE Step 1 practice questions were extracted from the Amboss question bank.

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Article Synopsis
  • Effective burn surgery needs two main things: quickly removing dead skin and covering the area properly to help heal and keep the body's shape.
  • A new three-step method called EDM was created to improve this process, which involves first cutting away the burn, then preparing the area with a special material, and finally covering it with skin grafts.
  • This new method showed great results, needing fewer surgeries and allowing patients to heal faster compared to older techniques.
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Background: The increasing demand and changing trends in rhinoplasty surgery emphasize the need for effective doctor-patient communication, for which Artificial Intelligence (AI) could be a valuable tool in managing patient expectations during pre-operative consultations.

Objective: To develop an AI-based model to simulate realistic postoperative rhinoplasty outcomes.

Methods: We trained a Generative Adversarial Network (GAN) using 3,030 rhinoplasty patients' pre- and postoperative images.

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Despite the growing use of autologous breast reconstruction with medial thigh-based free flaps, such as transverse upper gracilis (TMG) or profunda artery perforator (PAP) flaps, these procedures are infrequently performed on patients with obesity. This systematic review and meta-analysis aimed to compare the frequency of seroma occurrence, a common complication after medial thigh flap surgery. Comparison was performed between TMG and PAP flaps, as well as medial thigh lifts (MTL), a procedure with a similar operative technique but which is typically offered to patients with a higher body mass index (BMI).

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: Addressing extensive and deep burn wounds poses considerable challenges for both patients and surgeons. The NovoSorb Biodegradable Temporizing Matrix (BTM) emerged as a novel dermal substitute and has been subjected to evaluation in large burn wound cases, with a specific focus on identifying risk factors associated with suboptimal take rates. : All patients with burn wounds greater than 10% body surface that underwent BTM treatment between March 2020 and November 2023 were eligible for inclusion.

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Introduction: Extensive full-thickness soft-tissue defects remain a challenge in reconstructive surgery. NovoSorb® Biodegradable Temporising Matrix (BTM) represents a novel dermal substitute and was evaluated in wounds deriving from different aetiologies and to highlight risk factors for poor take rates.

Methods: All patients treated with BTM at our department between March 2020 and October 2022 were included.

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Background: The high prevalence of benign male breast tissue enlargement (gynecomastia) has resulted in a marked increase of gynecomastia cases. While about one third of male adults experience some form of gynecomastia, gynecomastia surgery (GS) outcome research is limited to small study populations and single-center/-surgeon databases. In this study, we aimed to access the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database to identify preoperative risk factors for complications and investigate postoperative outcomes of GS.

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Background: In recent years, various robotic systems specifically designed for microsurgical tasks have been developed and approved. There is not much evidence for these systems to date. In our study, we examined the use of robot-assisted microsurgery in the reconstruction of the lower extremity.

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Article Synopsis
  • Autologous split thickness skin grafting is commonly used for treating deep dermal and full thickness burns, but the Meek micrografting technique offers a solution for patients with limited donor sites and larger burn areas.
  • A study reviewing 73 patients treated with Meek micrografting from 2013 to 2022 found a mean graft take rate of 75.8%, with allograft pre-treatment and longer waiting times positively affecting the success of the grafts.
  • Despite older age being a negative predictor for graft success, the overall results indicate that Meek micrografting is a safe and effective option for extensive burn treatment.
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Autologous microsurgical breast reconstruction has become a standard of care. As techniques become more individualized and aim for less-invasive approaches, vessels ever smaller in diameter are considered for flap anastomosis. Robot-assisted surgery has great potential to reduce tremor and enhance precise motion.

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Background: The TMG flap is a popular choice for breast reconstruction. However, it remains unclear whether the side of flap harvest, subsequent flap shaping and inset impacts breast appearance and volume dispersion. This study compares the aesthetic outcome of the reconstructed breast following TMG flap harvest from the ipsilateral or contralateral thigh.

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Background: Defects of the hand and foot often require an individualized reconstructive approach, due to their unique functional and aesthetic characteristics. Transferred tissues should be thin, pliable, and durable, with free fascial flaps meeting these requirements. This study aimed to evaluate the serratus fascia flap and the serratus carpaccio flap, which is a modification of the fascia flap, by including a thin muscle layer, with the goal of enhancing flap resilience and lowering morbidity rates.

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Background: Complex scalp defects are regularly reconstructed using microvascular tissue transfer. The latissimus dorsi free flap is one of the workhorse flaps used in scalp reconstruction. These cases necessitate, particularly in the elderly, a close cooperation between plastic surgeons and neurosurgeons.

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Background: Primary anterolateral thigh (ALT) flap donor-site closure is crucial to achieve patient satisfaction, avoid burdensome secondary surgeries, and avert poor outcomes. Only vague maximum flap width recommendations have been suggested, which fall short of acknowledging individual patient habitus and thigh morphology. Therefore, we aimed at identifying a user-friendly preoperative calculation of maximum flap width for primary closure.

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Unlabelled: Autologous immediate breast reconstruction in large and ptotic breasts remains challenging. We aimed to identify independent risk factors for impaired wound healing and nipple necrosis after skin reducing wise pattern mastectomy in autologous reconstruction with an auxiliary deepithelialized inferiorly based dermal flap (IBDF).

Methods: This retrospective study examined patients with wise pattern mastectomy with autologous immediate breast reconstruction (IBR) between 2017 and 2019.

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Background:  Function and cosmesis are crucial in upper extremity reconstruction. Yet, there persists a lack of outcome evaluations, particularly regarding differences between free flap types.

Methods:  In a single-center retrospective analysis, outcomes were compared between patients with cutaneous or muscle free flaps for distal upper extremity reconstruction between 2008 and 2018.

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