Vascular anomalies remain a challenge for both patients and plastic surgeons. Recently, promising results have been reported using intralesional photocoagulation (ILP) to treat extensive vascular lesions. At the authors' center, they have treated more than 300 patients with vascular anomalies in different parts of the body between 1996 and 1999. They describe their operative techniques of ILP. Laser pulses of a 1,064-nm wavelength from the Nd:YAG laser were delivered to the target tissues with a 600-microm optical fiber. They report 2 patients who developed complications after a single session of ILP therapy for their extensive vascular malformations. The first patient had Klippel-Trenaunay syndrome (capillary-lymphaticovenous malformations) with widespread involvement of her buttocks and left lower limb. She had severe leukocytosis, thrombocytosis, and hyperkalemia that resolved with intravenous hydration, antibiotics, and sodium bicarbonate. In their second patient, the entire left upper limb was affected. Her total red cell count diminished by a quarter and her hemoglobin concentration dropped by more than 3 g%. This was corrected gradually with supplemental oral hematinics. Although these complications resolved uneventfully in their patients, they hope that their possible development will caution anyone who may wish to attempt this new method of therapy.
Human cadaveric allograft is the most commonly used alternative wound closure material for excised burn wounds when limited donor sites or the overall patient condition does not permit immediate grafting with autologous skin.The Skin Bank in Singapore has supplied a total of 33,000 cm(2) of cryopreserved cadaveric allograft to the Burns Centre in Singapore for the early post-burn treatment of 17 severely burned patients with body surface area (BSA) burn wounds averaging 58% (range 33-90). An average of 13% (range 3-30%) cadaveric allograft was transplanted on 17 patients. Seven patients had recovered from their burn injuries and ten patients died of multiple complications related to their burn injuries. Our clinical observation has shown good adherence of cadaveric allograft when applied on clean and debrided wound bed after 4-7 days of post-operation.The availability of cadaveric allograft permits early excision and wound coverage before the patients' condition is further compromised. Our clinical experience using cryopreserved cadaveric allograft is proving to be indispensable in the management of patients with severe burns.
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