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Biomedical subjects

Niri S Niranjan

Publications and source records attributed to Niri S Niranjan.

5 recordsLinked to original sources

Fasciocutaneous flaps based on fascial feeder and perforator vessels for defects in the patellar and peripatellar regions.

BACKGROUND: Soft-tissue reconstruction in the patellar and peripatellar regions is a challenging problem. Restoring the original thin, pliable, and tough skin properties is a necessary demand, if appearance and knee function are not to be compromised. Local tissue provides the closest match to the original, but limited availability can restrict the reach of conventional local flaps and, more often than not, produce donor sites that need coverage of their own. METHODS: A retrospective study was performed over a 7-year period (from 1995 to September of 2002) using local fasciocutaneous flaps, based on fascial feeder and perforator vessels, to reconstruct a variety of patellar and peripatellar defects. Fifteen patients with a mean age of 62 years (range, 18 to 86 years) were reviewed. RESULTS: Early complications were minimal, with only one patient (wound dehiscence) requiring a further procedure. All patients achieved a good final outcome. CONCLUSIONS: The authors found the fascial feeder- and perforator-based local fasciocutaneous flap in the patellar and peripatellar regions to be a simple and reproducible technique to perform. By islanding local flaps on perforator/fascial feeder vessels, greater mobility is achievable, when compared with conventional flaps. Combining local fascial feeder- and perforator-based flaps with V-Y advancement minimizes donor-site complications. On this basis, well-matched local tissue can be used for reconstruction in the patellar and peripatellar areas, with minimal compromise to either appearance or function or both.

Adolescent↗

An anatomical method for re-siting the umbilicus.

The umbilicus is the only normal scar on the body and it is the most noticeable scar following abdominoplasty and TRAM or DIEP flap procedures. We describe a technique for resiting the umbilicus that attempts to recreate the anatomical structure by attaching the superficial fascia to the periumbilical skin to produce a fullness around the depression in which the umbilicus sits. This is aesthetically desirable and avoids the uncomfortable tethering of the umbilicus to the rectus sheath associated with other techniques.

Cosmetic Techniques↗

Our experience using the vertical rectus abdominis muscle flap for reconstruction in 12 patients with dehiscence of a median sternotomy wound and mediastinitis.

The vertical rectus abdominis (VRAM) flap has been used for reconstruction of sternal defects, particularly in the inferior third, since it was first described 20 years ago. We describe 12 patients with mediastinitis or chronic sternal osteomyelitis after sternotomy treated between 1994 and 1997, nine performed at the Royal Hospitals Trust, London. Sternal osteomyelitis and mediastinitis after median sternotomy is an uncommon (0.4%-8.4%) but often fatal condition. Vascularised pedicles are the treatment of choice, and VRAM flaps were used in all cases. We report good long-term outcome with a follow up of 2-5 years, and no long-term morbidity relating to the VRAM reconstruction. We had only one partial failure of a flap. The operations were largely done in hospitals away from the plastic surgical unit in extremely sick patients, which illustrates the importance of multidisciplinary management to reduce hospital stay, mortality, and morbidity. We argue that early involvement of plastic surgical specialists in the treatment of sternal dehiscence is essential to ensure a successful outcome.

Aged↗