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Biomedical subjects

M Richmond

Publications and source records attributed to M Richmond.

16 recordsLinked to original sources
PubMed1990

Teaching home care for ventilator-dependent patients: the patients' perception.

An increasing number of ventilator-dependent patients are being transferred from hospitals to their homes. Discharge teaching has been based on health professionals' perception of what patients need to know and how they can learn best. In this study we asked ventilator-dependent patients who were living at home (N = 13) to complete a questionnaire concerning their perceptions of ideal discharge teaching. Most respondents believed that teaching should occur (1) at the bedside, (2) with one or two family members, (3) with only the team member doing the teaching, (4) for a 30-minute session, (5) using demonstration technique. Subjects thought that teaching regarding the lung disease process was less important than other content. The patients' criteria for learning mostly agree with those identified by health care professionals, and can be met easily in most settings.

Adolescent↗
PubMed1987

Water metabolism in free-ranging pine voles (Microtus pinetorum).

Rates of body water turnover in free-ranging pine voles exceeded those reported for a large number of similarly sized mammals. Concentrations of urine obtained from free-ranging pine voles were significantly lower than values published for other free-ranging mammals and also for laboratory-maintained members of this species. Rates of body water turnover in this species were not correlated with seasonal changes in soil temperatures.

Animals↗
PubMed1985

Central anticholinergic syndrome in a child: a case report.

A 2-year-old boy developed classical signs and symptoms of the central anticholinergic syndrome after ingesting twenty 4-mg tablets of the antihistamine cyproheptadine (Periactin). His symptoms were dramatically reversed by the intravenous administration of physostigmine. The physiology of the anticholinergic system and physostigmine are discussed along with the indications, toxicity, and dosing of physostigmine.

Child, Preschool↗
PubMed1981

Analysis of mesenchyme in the developing hind limb of Rana pipiens larvae with implications for neural development.

Mesenchyme in the hind limbs of Rana pipiens tadpoles may serve as an important influence on the development of specific neural structures involved in limb innervation. Thus a histological quantification of mesenchyme was undertaken to identify landmark stages with respect to mesenchyme presence and neural events. Mesenchyme remained as a high percentage of the limb tissue until stage V (Taylor-Kollros stages, '46), after which it declined dramatically until its virtual absence after stage XI. The volume of mesenchyme, however, was greatest at stages VIII-IX. Periods of high and low mesenchyme content were correlated in time with potential limb involvement in regulating limb innervation and motor neuron loss from the lateral motor columns. This provides additional evidence for developmental relationships between events of the limb and neural tissues.

Animals↗
PubMed1977

Crohn's disease of the duodenum.

Crohn's disease of the duodenum is uncommon, occurring in approximately 2% of patients with Crohn's disease. Approximately 165 cases have been reported in small series in the literature. Our report includes 36 patients, most of whom had symptoms of duodenal disease coincident with or after obvious disease elsewhere in the gastrointestinal tract, although occasionally duodenal disease developed first and rarely disease was confined to the duodenum. Upper abdominal pain and symptoms of gastroduodenal obstruction are the commonest patterns of presentation. Significant weight loss is common, and occasionally major upper gastrointestinal bleeding occurs. The commonest pattern of involvement was contiguous disease of the proximal duodenum and distal stomach. Endoscopically, diffuse granularity, nodularity, and ulceration are seen accompanied by lack of distensibility of the involved area. Granulomas are rarely found in endoscopic biopsies. A bypass procedure was carried out on 18 patients, 15 of whom continue to be free of symptoms with an average follow-up of 6-6 years. When symptoms of obstruction dictate, operative bypass is accompanied by favourable long-term results in the large majority of patients.

Adolescent↗
PubMedDate not supplied

Complications of laparoscopic pelvic surgery: recognition, management and prevention.

Laparoscopic surgery has many advantages but it is not without complications. The complexity of the surgery significantly influences the complication rate. Laparoscopic surgeons ought to be aware of the possible complications and how they could be prevented, recognized without delay, and managed safely and efficiently. Important complications include injuries to the vessels, bowel and urinary tract. Incisional hernia ought to be reduced by careful closure of the fascia whenever a trocar > or =10 mm is used at the extraumbilical site. Gas embolism is a rare but potentially life threatening complication. Shoulder pain is a minor complication but is exceedingly common; it is less likely to occur if as much gas as possible is removed at the end of the operation while the patient is still in head down Trendelenburg position. Rare complications include pneumothorax, subcutaneous and pre-peritoneal emphysema, cardiac arrhythmia, nerve injury and venous thrombosis. Laparoscopic surgeons should also understand the principles of electrosurgery and how to avoid complications arising from the use of electrical energy including capacitative coupling, direct coupling and insulation failure.

Blood Vessels↗