Biomedical subjects
Publications and source records attributed to M H Bailey.
A case of delayed infection following the use of split-cranial bone graft is presented. Trauma and bacterial contamination of the donor area six months before harvest were the likely causes. We advise caution and the use of alternate donor sites in cases where a history of previous contaminating trauma exists, even if the cranial bone is clinically completely healthy.
The exposed knee joint poses a challenge to the reconstructive surgeon. The currently popular approach to the repair of exposed knee joints is use of muscle flaps. However, this leaves the patient with a deficit. We have therefore begun using the fasciocutaneous flap as an initial approach to this problem. In seven patients, aged 28 to 74 years, fasciocutaneous flaps have been the reconstructive procedure of choice for repair of exposed knee joints. One patient with a very large open wound required a concomitant medial gastrocnemius muscle flap. One minor wound separation occurred in a paraplegic patient with severe spasm. No other complications occurred. Follow-up ranged from 3 to 12 months, with good success in wound closure. An approach to small and intermediate wounds is presented in which the V-Y technique is used to obviate the need for skin grafting of the donor site.
One-hundred and sixty-five consecutive immediate breast reconstructions in 157 patients were reviewed. Reconstructions were performed with tissue expanders (53 percent) or immediate gel prostheses (47 percent). Immediate reconstruction was associated with an 18 percent rate of implant loss. Certain risk factors were identified at the p less than 0.05 level using immediate gel implants: failure to achieve complete muscle coverage of the implant, smoking at the time of surgery, initial gel implants of 400 ml or more volume, and age. Expander loss was increased by detaching the pectoralis major (p less than 0.05) and probably by lack of complete muscle coverage in general. Chemotherapy, history of previous smoking, and clinical stage of the carcinoma did not seem to affect reconstructive success. Smoking and patient age should be considered during patient selection for immediate reconstruction. Muscle coverage of the prosthesis should always be attempted. Muscle coverage is mandatory in the smoker. Gel implants of 400 ml or more volume are to be avoided at the initial operation. This approach should enable all surgeons to achieve lower rates of implant loss.
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A case of herpes zoster neuritis (shingles) is reported, closely following a face lift with adjunctive dermabrasion and chemical peel. The etiologic relationships are unclear. However, the mental nerve distribution suggests mechanical irritation of the nerve as a possible factor. Management of this complication is conservative. It is suggested that herpes zoster be included in the differential diagnosis of unusual alterations of sensation or persistent pain following procedures for facial aging.
Conflicting guidelines for excisions about the alar base led us to develop calibrated alar base excision, a modification of Weir's approach. In approximately 20% of 1500 rhinoplasties this technique was utilized as a final step. Of these patients, 95% had lateral wall excess ("tall nostrils"), 2% had nostril floor excess ("wide nostrils"), 2% had a combination of these ("tall-wide nostrils"), and 1% had thick nostril rims. Lateral wall excess length is corrected by a truncated crescent excision of the lateral wall above the alar crease. Nasal floor excess is improved by an excision of the nasal sill. Combination noses (e.g., tall-wide) are approached with a combination alar base excision. Finally, noses with thick rims are improved with diamond excision. Closure of the excision is accomplished with fine simple external sutures. Electrocautery is unnecessary and deep sutures are utilized only in wide noses. Few complications were noted. Benefits of this approach include straightforward surgical guidelines, a natural-appearing correction, avoidance of notching or obvious scarring, and it is quick and simple.
A prospective blind trial was undertaken to assess the usefulness of commonly used tests to diagnose osteomyelitis underlying pressure sores. Sixty-one pressure sores were studied, with a histopathologic diagnosis from the ostectomy specimen being available in 52. White cell count, erythrocyte sedimentation rate, plain pelvic x-ray, technetium-99m bone scan, computerized tomography, and Jamshidi needle bone biopsy were studied. The most useful individual test was a needle bone biopsy, with a sensitivity of 73 percent and a specificity of 96 percent. Technetium-99m bone scans and computerized tomography are not indicated in the diagnosis of osteomyelitis associated with pressure sores. Plain pelvic x-ray, white cell count, and erythrocyte sedimentation rate, with a diagnosis of osteomyelitis if any test is positive, is the most sensitive (89 percent), specific (88 percent), noninvasive workup. Jamshidi needle biopsy may be useful where these tests are negative and a clinical suspicion of osteomyelitis remains. Extent of surgical debridement and antibiotic therapy can then be rationally decided on the basis of this information.
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A series of 155 malignant craniofacial tumors referred to a specialized craniofacial center for surgical treatment are presented. One quarter of these were primary and three quarters recurrent. The statistics of long-term follow-up are presented, and it is concluded that this type of surgery for these difficult problems is worthwhile. The increasing experience gained from operating on and following up these patients is presented.