Valvular heart disease and familial hyperlipoproteinaemic xanthomatosis.
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Biomedical subjects
Publications and source records attributed to R K Shukla.
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The operative technique of the Modified Zancolli's operation in claw hand is easy. Re-education is easier in Zancolli's capsulorrhaphy than any other operations. Results of this operation are encouraging. It is particularly required when quick turnover of cases is needed and when adequate facilities for physiotherapy is not available. In cases operated by Zancolli's capsulorrhaphy active flexion of metacarpophalangeal joint is possible. Complications are few e.g. pulling of capsulorrhaphy and development of flexion contracture.
Fatigue fractures in the necks of femurs removed from fresh cadavers were produced experimentally by applying repeated compression and rotational stresses. We found that a load applied once in a physiological direction may be within the ultimate strength of the bone, but may produce a fracture if applied repeatedly. With increased age, chances of fatigue failure increased age, chances of fatigue failure increased and loads of even physiological magnitude produced fatigue fractures. This may also happen during life. The subcapital fractures produced in these specimens were similar to those seen in patients in a clinical practice. This has been reported many times in new young military recruits. In individuals undergoing unusually strenuous exercises, the stress concentrations can be unusually high.
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The statement made in some standard textbooks that Benedict's qualitative test gives a green, yellow, or orange-red precipitate with pure solutions of glucose of varying strength has been shown to be incorrect. Pure solutions of glucose give only a bright red precipitate at all concentrations. These changes in the colour of the suspensions are observed with urinary glucose only. The difference in the action of glucose in water and in urine has been shown to be mostly due to creatinine and to a small extent to the histidine content of urine. The colour of the precipitate depends not only on the concentration of glucose but also on that of creatinine. An increase in concentration of creatinine tends to make the precipitate more yellow. Histidine has a similar though much smaller effect. Attention has been drawn to possible errors in the semi-quantitative assay of urinary glucose by Benedict's test arising out of variation in concentration of creatinine and histidine.
Creatinine appears to alter the colour and bulky nature of the cuprous oxide precipitate not by altering the chemical composition of the precipitate but by the physical process of retardation of the growth of newly formed yellow cuprous oxide crystals to large red crystals by adhering to their surface and blocking some sites for further crystal growth.
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This article challenges our present system of afternoon admissions and morning discharges for its inefficiency in utilizing patient stay at the hospital as well as for its insensitivity to consumer convenience. In fact, the tradition of afternoon admissions and morning discharges may have its roots in the hotel industry which sets similar times for arrival and departure of guests. By changing the admission system from afternoon admissions and morning discharges (PM/AM) to morning admissions and evening discharges (AM/PM), the length of stay for most patients can be reduced and used more efficiently.
Thiocyanate content in vegetables has been estimated by passing the water extract of vegetables through an alumina column. The thiocyanate content in the eluate has been measured according to Johnston and Jones. Iodine content in the vegetables has been estimated according to a modified method of Acland. The results show the primarily the Cruciferae family vegetables contain higher concentration of thiocyanate.
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This paper raises the question, "Is it the structure or the competency of the nursing staff that improves the quality of primary nursing over team nursing?" In the study an all-RN model of primary nursing was compared to a team nursing care system. The nursing competency scores of registered nurses on the two units were equalized through six months of continuing education and staff development programs, and the nursing competencies and the quality of patient care were measured by Slater and Qualpac scores, respectively. Although the primary nursing unit scored higher than the team unit on five out of six subscales, the scores were statistically significant (p = .06) only on one, the communications subscale. Results of this study were compared to Felton's study, which found primary nursing units had a more competent nursing staff and higher Qualpac scores. The comparison suggests that nursing competencies may be a stronger contributing factor to the quality of care than is the structure of primary nursing.
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This study is based on the empirical fact that among nurses large variations occur not only in clinical competency but also in individual productivity. The article proposes that competency-based targeted staff development programs can improve productivity as well as nursing performance. Research presented here shows that the nurses on units using targeted staff development increased the time spent on professional and direct care and reduced nonprofessional and indirect care tasks in comparison to nurses on the control nursing unit.