Umbilical reconstruction is a procedure with widespread indications in the setting of congenital or postsurgical loss. Reconstruction of the umbilicus when no remnant of the natural umbilicus is present is also called neoumbilicoplasty. Numerous neoumbilicoplasty techniques have been published, including cartilage grafts, full-thickness skin grafts, and multiflap reconstruction. No consensus has been reached regarding an optimal technique, and many procedures involve complicated designs with small flaps that are difficult to reproduce or explain. The authors divide patients into three types depending on the thickness of the adipose layer of the abdomen. With appropriate patient selection and minor variations depending on patient type, the technique can be applied to all patients. The umbilicus is marked in the appropriate position. Local anesthesia is infiltrated, and the area beneath the skin is defatted. The dermis is then applied to the underlying fascia with a superior shift. The authors describe the technique and its variations and present one illustrative case with additional supplemental digital content. The authors have gone through a progression of techniques to find a simple surgical method yielding consistently reproducible results with minimal complexity, limited morbidity, and an aesthetic final outcome. The authors believe that the technique described here achieves those goals. It can be performed under local anesthetic and with a simple occlusive dressing so that the patient can go on with most of his or her daily activities. There is no scar to suggest a surgical procedure, and patients are extremely happy with the aesthetic outcomes.
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http://dx.doi.org/10.1097/PRS.0000000000007503 | DOI Listing |
Updates Surg
January 2025
Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue, Wuhan, 1095, China.
The liver segmentation method proposed by Couinaud is widely accepted by surgeons because of its convenience and practicality. However, this conventional eight-segment classification does not reflect realistic details of the liver and thus requires further adjustments to promote improvements in surgical strategies. This study aimed to explore the ramification patterns of the hepatic vasculature comprehensively.
View Article and Find Full Text PDFArch Plast Surg
January 2025
Division of Plastic and Maxillofacial Surgery, Department of Surgery, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
Posterior Component Separation (PCS) is a surgical technique used in abdominal wall reconstruction. Understanding the relationship between the rectus abdominis and transversus abdominis muscles and the location of intercostal nerves is crucial for minimizing nerve injury during PCS. This cadaveric study aimed to investigate these anatomical relationships and propose practical guidelines for safer PCS procedures.
View Article and Find Full Text PDFFront Bioeng Biotechnol
January 2025
Central Laboratory, Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao University, Qingdao, China.
Introduction: Artificial vascular scaffolds can mimic the structure of natural blood vessels and replace the damaged vessels by implanting them at the injury site to perform the corresponding functions. Electrospinning technology can perfectly combine biological signals and topographical cues to synergistically induce directed cell migration and growth.
Methods: In this study, poly (caprolactone) (PCL) nanofibers, PCL nanofibers uniformly coated with the extracellular matrix derived from endothelial cells (ECd), and bi-directional linear gradient ECd-coated PCL nanofibers were prepared by electrospinning and electrospray techniques to evaluate their effects on the proliferation and migration of Human umbilical vein endothelial cells (HUVECs) and rapid endothelialization.
Adv Sci (Weinh)
January 2025
Department of Orthopedics, Shanghai Tenth People's Hospital School of Medicine, Tongji University, Shanghai, 200072, China.
Denervated muscle atrophy, a common outcome of nerve injury, often results in irreversible fibrosis due to the limited effectiveness of current therapeutic interventions. While extracellular vesicles (EVs) offer promise for treating muscle atrophy, their therapeutic potential is hindered by challenges in delivery and bioactivity within the complex microenvironment of the injury site. To address this issue, an injectable hydrogel is developed that is responsive to both ultrasound and pH, with inherent anti-inflammatory and antioxidant properties, designed to improve the targeted delivery of stem cell-derived EVs.
View Article and Find Full Text PDFTech Coloproctol
January 2025
Peritonectomy and Liver Cancer Unit, Department of Surgery, St George Hospital, Kogarah, NSW, Australia.
Background: The goal of cytoreductive surgery for peritoneal malignancy is to remove all macroscopic disease, which occasionally requires the excision of the umbilicus. While the absence of the umbilicus can be aesthetically undesirable for patients, umbilical reconstruction is rarely performed due to the perceived complexity and increased risk of wound infections (Sakata et al. in Colorectal Dis 23:1153-1157, 2021).
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