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Biomedical subjects

P G Slattery

Publications and source records attributed to P G Slattery.

13 recordsLinked to original sources

Endoscopic carpal tunnel release. Use of the modified Chow technique in 215 cases.

OBJECTIVE: To present my experience using the modified Chow two-portal technique of endoscopic carpal tunnel release. PATIENTS: Two hundred and fifteen patients with a clinical diagnosis of carpal tunnel syndrome of more than three months' duration, unresponsive to conservative treatment. Only those few with the specific contraindications of recurrence, a florid flexor tenosynovitis or an acute crush injury were excluded. INTERVENTION: The operation used the modified Chow two-portal endoscopic method of carpal tunnel release. The original Chow method was used in another 15 patients. MAIN OUTCOME MEASURE: Symptomatic relief of pain and paraesthesia. RESULTS: Most patients made a rapid and dramatic recovery, with an early return to work, when compared with both my and patients' previous experience of open carpal tunnel release. Complications were few--two cases of mild reflex sympathetic dystrophy, two of unrelieved symptoms, and no permanent nerve or tendon injury. CONCLUSION: The modified Chow two-portal technique of endoscopic release of the carpal tunnel is effective, with a rapid recovery and few complications--provided that it is done by a surgeon experienced in this method.

Adolescent

The dorsal plate of the proximal interphalangeal joint.

There exists on the articular surface of the central slip of the extensor tendon slip overlying the P.I.P. joint a constant structure which is morphologically similar to the patella of the knee joint and histologically similar to the fibro-cartilaginous palmar plate of the P.I.P. joint. It has been termed the dorsal plate. A study of 70 fingers, including 30 examined under magnification and 20 examined histologically, confirmed its constant presence and structure. Its functions appear to include stabilisation of the central extensor tendon and participation in stabilisation of the proximal interphalangeal joint.

Biomechanical Phenomena

Hide and seek: pre-operative ultrasonic localization of non radio-opaque foreign bodies.

Ultrasound has long been used as a diagnostic and therapeutic tool in surgery. We have extended its use to hand surgery, where is has several applications. Non radio-opaque foreign body extraction is invariably a frustrating exercise of 'hide and seek'. Accurate pre-operative localization with ultrasound illustrating size, shape, depth, soft tissue and bony relationships can ensure rapid and complete removal. Several cases are presented to demonstrate the use of ultrasound for the detection of non radio-opaque foreign bodies. The technique used will be described. We feel pre-operative localization by ultrasound is a useful technique to assist with the removal of non radio-opaque foreign bodies.

Adolescent

The modified Kleinert splint in zone II flexor tendon injuries.

The Kleinert controlled passive mobilisation splint has been modified to increase the passive range of motion of the proximal and distal interphalangeal joints to near normal. 12 fingers with complete divisions of both flexor tendons in Zone II treated by this method have been reviewed after six months. Nine regained full motion and two good motion while one, with an associated crush compound fracture of the proximal phalanx, had a poor result. The increased mobilisation did not adversely affect wound healing or associated repair of digital nerves.

Adult

Kleinert splint.

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Finger Injuries

Surgical rehabilitation of the upper limb in quadriplegia.

Fifteen quadriplegic (tetraplegic) patients from the Spinal Injuries Unit of the Austin Hospital have had surgery to improve function in 17 of their upper limbs. Changes in strength, function, subjective ratings and the influence on 198 activities of daily living are reviewed. The posterior third of the deltoid muscle was transferred into 8 triceps tendons to provide active elbow extension in seven patients. Six patients had transfers of forearm muscles to provide grasp and lateral pinch or active extension of wrist and fingers. Other operations included transfer of the latissimus dorsi to the forearm producing elbow flexion, medial advancement of the anterior deltoid origin improving shoulder control (an operation which has not been described previously), and tenodesis for stabilizing the wrist. The objective results were satisfactory in 12 patients. Eleven patients had either good or excellent subjective results. The maximum force of active elbow extension achieved was 6.8 kg and the peak grip strength reached was 10.5 kg. Six patients achieved subjective results higher than would have been expected from objective assessment. All patients benefited in some way, 13 patients felt that surgery was worthwhile and no patient lost appreciable function. The results of this series indicate that upper limb surgery has a definite place in rehabilitation of the quadriplegic patient. Improved surgical technique may reduce the time required for postoperative rehabilitation and thus make these procedures feasible for a larger number of patients.

Activities of Daily Living

The value of the photoplethysmograph in monitoring skin closure in microsurgery.

Excessive tension during skin closure may impair flow in a free tissue transfer. Objective methods to observe skin perfusion have been developed. One of these, photoplethysmography, is commonly used for postoperative observation of flow in free flaps. This article demonstrates that valuable information can be obtained with photoplethysmography during wound closure also.

Adult

A modified Kleinert Controlled Mobilization Splint following flexor tendon repair.

The Controlled Mobilization Splint as described by Kleinert for use following flexor tendon repair has been modified to more closely simulate the normal range of motion of the fingers and in particular to increase the range of motion at the distal interphalangeal joint and so enhance the relative gliding of the flexor digitorum superficialis and flexor digitorum profundus tendons and hence possibly to reduce potential intertendinous adhesions.

Adult

Intracranial complications of rhinoplasty.

The practicing plastic surgeon acquires a wide experience of the complications of rhinoplasty. These range in severity from minor imperfections of contour to the more dramatic but re complications of haemorrhage and infection. While causing alarm to patient and surgeon alike, they rarely pose a threat to life. We wish to bring to the attention to our colleagues three potentially lethal intracranial complications of rhinoplasty which they may not have previously experienced: cerebrospinal fluid rhinorrhea, meningitis and cavernous sinus thrombosis. These three unusual cases have occurred in the author's practice over a period of 20 years.

Adult

Severe leg ischaemia caused by anterior resection of the rectum.

A 45-year-old man developed severe leg ischaemia following anterior resection for rectal carcinoma. A previously unrecognized infrarenal aortic occlusion was also present. Division of important collateral arterial pathways during the anterior resection was the cause of ischaemia which contributed to the patient's death. Patients having rectal or colonic resection should be carefully assessed for aortoiliac occlusive disease. Extra-anatomical arterial reconstruction before the bowel resection would avoid this complication.

Aorta, Abdominal