Biomedical subjects

N C Neal

Publications and source records attributed to N C Neal.

3 recordsLinked to original sources

PubMed1991

High-pressure injection injuries.

A retrospective review of the 11 patients attending the Hand Unit at the Derbyshire Royal Infirmary over the last 5 years with high-pressure injection injuries is presented. The machines and materials that cause these injuries are outlined and the methods of treatment and rehabilitation are described in detail. The study demonstrates the morbidity of high-pressure injection injuries, particularly those inflicted by paint spray guns, and highlights a frequent delay between injury and decompression of the injured part. We wish to emphasize the importance of early diagnosis, referral, exploration and rehabilitation to ensure an optimal outcome, and to point out that failure to refer early is becoming an increasing focus of negligence claims.

Accidents, Occupational↗

PubMed1991

Doppler assessment of blood flow to the lower limb associated with total knee arthroplasty.

Arterial blood flow was assessed before and after operation by the pressure index method (Doppler ultrasonography), in 51 consecutive patients treated with primary total knee arthroplasty. This method was chosen since it is non-invasive, inexpensive, easy to apply and readily available in most hospitals. It is a sensitive technique for assessing flow in occlusive arterial disease. Moderate arterial disease, correction of moderate knee deformity and tourniquet times of up to 2 h did not significantly affect postoperative blood flow when compared with the preoperative assessment. It can be concluded that total knee arthroplasty did not significantly affect blood flow to the distal leg except in one case of severe occlusive vascular disease.

Adult↗

PubMed1987

Pathology of the flexor tendon sheath in the spontaneous carpal tunnel syndrome.

The histological features of the flexor tendon sheath in the spontaneous carpal tunnel syndrome were studied. The main differences between our findings and previous studies were twofold. Firstly a striking absence of inflammation in our material and secondly the diversity of the pathological changes encountered--alterations in the connective tissue especially the collagen; proliferation with thickening of the tissues of the tendon sheath; fibrosis; amyloid deposition; oedema; vascular lesions including thickening of vessels walls, intimal hyperplasia, and thrombosis; and a foreign body giant cell reaction. Although the lesions described here may not be significant in every case in which they are encountered, they do appear to support the view that pressure in the carpal tunnel and ischaemia are the important factors in a majority of cases of the spontaneous carpal tunnel syndrome.

Adolescent↗