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Biomedical subjects

K M Porter

Publications and source records attributed to K M Porter.

At least 19 recordsLinked to original sources
PubMed1992

Emergency laparotomy for abdominal trauma.

We have retrospectively reviewed our experience of 153 consecutive patients who underwent emergency laparotomy for suspected intraabdominal injury over a 10-year period. The commonest cause of injury was road traffic accidents (61 per cent), and the commonest indication for operation was signs of peritoneal irritation (35 per cent). Peritoneal lavage was performed in 62 patients (41 per cent). The liver was the organ most frequently injured (52 patients, 34 per cent) and 52 per cent of these patients died. Splenic injuries occurred in 46 patients (30 per cent). The negative laparotomy rate was 16 per cent. Forty-five patients died (29 per cent) and five of these had negative laparotomies. The Injury Severity Score (ISS) of all patients who died was > 16.

Abdominal Injuries↗
PubMed1991

Intracapsular fractures of the neck of femur. Parallel or crossed garden screws?

The results of treatment in 242 patients with intracapsular fractures of the neck of femur treated with Garden screws are presented with reference as to whether the screws were crossed or parallel. The incidence both of nonunion and of avascular necrosis was less in those fractures treated with parallel screws. The outcome was also superior if the reduction was good.

Aged↗
PubMed1988

Ice skating accidents and injuries.

A total of 169 consecutive injuries to ice skaters is reviewed. The majority resulted from falls and occurred in young people with little or no previous skating experience. Speed and crowding on the ice may be contributory. Injuries occur because of a casual attitude to the sport and because of a lack of awareness of the potentially serious injuries that can result. It would be beneficial for beginners to undergo specific instruction and, if possible, at separate times or in separate areas.

Accidental Falls↗
PubMed1986

Rabies in rodents and lagomorphs in the United States, 1971-1984: increased cases in the woodchuck (Marmota monax) in mid-Atlantic states.

A review of surveillance data on animal rabies from the Centers for Disease Control revealed 104 cases of rabies in rodents and lagomorphs for 1971 through 1984 in the United States; 80% of these were reported between 1980 and 1984. Woodchucks (Marmota monax) accounted for 64% of the cases. Most of the cases of rabies in woodchucks were associated with an epizootic of rabies in raccoons (Procyon lotor) in the mid-Atlantic states. In rabies endemic areas, humans exposed to woodchucks should receive rabies postexposure prophylaxis if the animal is not available for testing. The decision to administer postexposure prophylaxis to humans exposed to other rodents and lagomorphs should take into consideration the epidemiology of rabies in the exposing species.

Animals↗
PubMed1985

The control of pain after Keller's procedure--a controlled double blind prospective trial with local anaesthetic and placebo.

In patients undergoing bilateral Keller's arthroplasty the effect of injecting a long acting local anaesthetic into the pseudoarthrosis immediately after skin closure was compared to placebo into the other side in twenty patients. In a controlled double blind prospective trial, local anaesthetic proved to provide significantly better analgesia than the placebo and gave a lasting pain free interval. This procedure was simple, safe, inexpensive and free from complications.

Anesthesia, Local↗
PubMed1985

The Charnley total hip arthroplasty in patients under age 40.

Considering the high morbidity in young individuals, the authors reviewed 73 Charnley total hip arthroplasties in patients under age 40. The average follow-up period was 6.6 years. A total of 22 hips failed. Thirty-one hip arthroplasties were performed in normally ambulatory patients, with nine failures. Forty-two were performed in patients with limited locomotion, with 13 failures. The main cause of failure was loosening requiring revision (ten hips). There was radiologic evidence of progressive loosening in four other hips. Loss of trochanteric fixation required revision of six hips. Activity and rheumatoid disease were major contributing factors. Alternative methods of treatment should be considered in the young patient. When the operation is indicated, the greater trochanter must not be removed. It is hoped that cementless methods of fixation may produce a lower incidence of failure.

Adolescent↗
PubMed1984

Bilateral posterior dislocation of the shoulder.

The purpose of this article is to present two cases of bilateral posterior dislocation of the shoulder. A review of the previously reported cases reveals the rarity of this injury, its association with seizures and the frequency with which it is misdiagnosed.

Aged↗
PubMed1984

An unusual use for the arthroscope.

In recent years, arthroscopy has gained importance in the diagnosis and treatment of patients with a painful knee (Ireland et al., 1980; Dandy, 1981). An important application of the arthroscope is in the removal of loose bodies from the knee, and endoscopy has also proved to be more accurate in diagnosis than more conventional methods (Dandy and O'Carroll, 1982). The identification and removal of foreign bodies from soft tissues and joints can be difficult. In addition to conventional radiography, other more specialized techniques including stereotaxis (McFadden, 1972) have been applied to this condition. We report 2 cases in which arthroscopy proved to be invaluable in the location and removal of a foreign body from the soft tissues around the knee.

Adolescent↗
PubMed1984

The resolution of protrusio acetabuli treated with Ring's hip prosthesis.

Seven hips with protrusio acetabuli which showed complete or partial resolution of the protrusion after replacement with Ring's prosthesis are reported. It is suggested that this prosthesis offers a simple and effective method of treating painful protrusion into the pelvis; it allows healing of the medial wall of the acetabulum while avoiding many of the hazards of other methods of treatment.

Acetabulum↗
PubMed1984

Synovial cyst and ulnar nerve entrapment. A case report.

A 77-year-old man affected by rheumatoid arthritis demonstrated clinical evidence of progressive ulnar nerve compression that proved to be caused by an extra-articular synovial cyst of the elbow. Conservative measures failed to reduce the size of the cyst or to check progress of the ulnar nerve lesion. Surgical treatment by elbow synovectomy and partial cystectomy was effective. The ulnar nerve lesion healed, and the cyst disappeared. Ulnar nerve compression by soft tissue in continuity with a rheumatoid elbow joint is very uncommon. Only one similar case was found in the English-language literature.

Aged↗