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At least 631 records · Page 35Linked to original sources
PubMed1994

Premedication with oral midazolam in children--an assessment of psychomotor function, anxiolysis, sedation and pharmacokinetics.

We studied 30 children, aged 4 to 12 years, undergoing elective circumcision, premedicated with midazolam 0.5 mg.kg-1 and atropine 0.02 mg.kg-1 by mouth. A modified postbox test and the coding component of the Wechsler intelligence scale (WISC-R) was used to assess the preoperative effect of premedication on psychomotor function. Mood and sedation were also scored and related to serum midazolam concentrations. The children showed a significant decline in psychomotor performance 30 and 60 minutes after premedication when compared with their best unmedicated performance recorded the previous evening. This decline in psychomotor performance was only weakly associated with serum midazolam concentrations (r = 0.1). The postbox toy ratio is a suitable measurement of psychomotor performance in children because of its simplicity and ease of use in the clinical environment, although it may suffer the "test-retest" limitations of similar types of assessment. The sedative and anxiolytic effects of midazolam provide a quiet environment for a smooth induction of anaesthesia.

Administration, Oral↗
PubMed1994

A comparison of three induction agents in paediatric anaesthesia--cardiovascular effects and recovery.

We studied 30 children undergoing circumcision randomly allocated to receive either thiopentone 4 mg.kg-1, propofol 2.5 mg.kg-1 or midazolam 0.5 mg.kg-1 (n = 10) IV over 30 seconds at induction of anaesthesia. Blood pressure and pulse rate during the first 15 minutes of induction were recorded by a Finapres 2300e and a Cardiocap CM-104, and changes from preinduction baseline compared between the three induction agents and the two recording instruments. Postoperatively, blood levels of the induction agents were measured and recovery from anaesthesia was assessed by clinical criteria, mood and sedation scores and psychomotor performance. The Cardiocap data revealed no statistically significant haemodynamic differences between the three induction agents. Finapres data demonstrated that propofol caused a greater decrease in mean arterial pressure when compared to thiopentone at one minute (P = 0.01) and the MAP remained significantly lower than midazolam at five minutes (P = 0.02), illustrating an advantage of continuous over intermittent non-invasive blood pressure monitoring. The midazolam group took longer to identify themselves compared to both the propofol (P = 0.005) and the thiopentone groups (P = 0.02), but there was no difference in the groups in time to eye-opening. Psychomotor performance on awakening was significantly worse in the midazolam group compared to the propofol (P < 0.03) and thiopentone groups (P < 0.02). Most children had recovered to 80% of their best, practised, unmedicated, preoperative performance four hours after awakening, irrespective of the induction agent administered. Drug blood levels correlated weakly with both methods of psychomotor assessment (r > or = 0.6). Of the three induction agents, thiopentone caused the least haemodynamic perturbation on induction, and anaesthesia induced with midazolam caused the greatest psychomotor impairment on awakening. Within one hour patients in all drug groups were equally awake, co-operative and co-ordinated.

Affect↗
PubMed2006

The foreskin.

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Child↗
PubMed1974

Polyorchidism.

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Adult↗
PubMed1987

Balanitis xerotica obliterans in children.

Balanitis xerotica obliterans was studied in 48 fully developed and 6 early cases in children aged 2-15 years. It occurred in 9% of 100 consecutive circumcisions for all, including religious, reasons and in 19% of 232 other circumcisions for disease of the prepuce and penis. Seven cases developed after surgery for hypospadias. The boys nearly always presented with inability to retract the prepuce; half also had discomfort after micturition, and a quarter had obstructive signs, usually minor. At surgery, half had involvement of glans or meatus, previously considered rare in childhood, 3 requiring meatotomy. The condition, once seen, was easily recognized clinically as well as microscopically. The early cases, characterized by focal narrow hyaline edematous zones in severe diffuse chronic balanitis, suggest that the condition may be an inflammation in which the usual increased permeability of small vessels in inflammatory reaction is accentuated in a loose vascular region.

Adolescent↗
PubMed1967

"Penile plunder".

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Circumcision, Male↗