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Biomedical subjects

H G Wells

Publications and source records attributed to H G Wells.

5 recordsLinked to original sources

Acute carpal tunnel syndrome in a patient taking coumadin.

This is a case report of a 66-year-old female who had been taking coumadin for 4 weeks for deep vein thrombosis. She developed acute carpal tunnel syndrome following minor trauma to her wrist. After conservative therapy failed to relieve her symptoms she underwent release of her carpal tunnel with resolution of her symptoms. While there are many patients taking coumadin, its association with acute carpal tunnel syndrome is quite rare: we were only able to find only one other reported case in the literature. While one is tempted to treat these patients conservatively, operative therapy may be indicated.

Acute Disease

Quantitative fluorometry as a monitor for microvascular surgery.

There is a clear need for effective methods of monitoring for postoperative occlusion of vessels in microvascular surgery. We have evaluated one technique, quantitative fluorometry, in the laboratory and clinically. Our laboratory study used rat abdominal flaps under conditions of controlled occlusion. We found accurate detection of vascular occlusion within 20 minutes, but we were unable to differentiate arterial from venous occlusion. Our clinical review of 34 microvascular cases (14 free flaps and 20 replantations) that employed fluorometry revealed corroboration of occlusion (indicated by another monitoring technique) in six cases and a diagnosis at variance with other monitoring methods in one case, thus preventing an operative exploration. We recommend the use of quantitative fluorometry as a primary or adjunctive method of monitoring when patency is in question and have outlined a protocol for clinical use.

Animals

The gull wing incision in cleft lip rhinoplasty.

The deficient anatomy of the cleft lip-nasal deformity has been fairly well described and a number of surgical procedures have been offered for its correction. Access to the nasal cartilages and precise correction have remained elusive. While a number of internal and external approaches have been proposed, we feel that the gull wing incision gives us excellent exposure for simultaneous visualization of both lower lateral cartilages and places the scar at the base of the columella which seems its best hiding place. With better visualization of the lower lateral cartilages and the employment of Dibbell's cartilage strut technique, we have been able to overcorrect accurately and ultimately achieve better symmetry and more lasting improvement. We have used this approach in the unilateral and bilateral cleft lip-nasal deformity in 15 patients. Principles that have become apparent by virtue of this better exposure include: full dissection of the lateral wings of the lower lateral cartilages and overcorrection using nonabsorbable mattress sutures for cartilage positioning. Pre- and postoperative cases are presented.

Adolescent