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At least 19 recordsLinked to original sources
PubMed1979

The effects of methylprednisolone acetate in the treatment of bone cysts. Results of three years follow-up.

The treatment of bone cysts by topical injection of methylprednisolone acetate was initiated at the end of 1973, and the late results are reported in this paper. In seventy-two cases followed up for one to three years favourable results have been obtained in about 90 per cent. The technique of local injection and the surgical equipment employed, in the case of focal recurrences, are considered. With this method, surgical treatment of bone cysts in youth is seldom necessary.

Administration, Topical↗
PubMed1977

The role of plastic wound drapes in the prevention of wound infection following abdominal surgery.

A randomized controlled trial has been performed to assess the value of plastic wound drapes in the prevention of surgical wound infection. One hundred and forty-four patients undergoing abdominal surgery were allocated to one of three groups; a control group (A) in which standard cloth towels were applied to the abdominal wound, group B in which an adhesive plastic drape was added and group C in which a plastic ring protector was inserted into the wound. There were 26 cases (18 per cent) of wound infection. The wound infection rate in the plastic drape groups did not differ significantly from that in the control group. Bacteriological culture from a wound swab taken at operation was positive in 32 per cent of the cases. The presence of a plastic wound drape did not influence the positive culture rate. In 68 per cent of wounds which became infected the operative swab was positive as compared with 24 per cent in those not developing a wound infection. Thirteen of the 33 patients (39 per cent) with a positive wound swab subsequently developed a wound infection. In 10 of these 13 cases of infection the operative swab permitted an accurate prediction of the organism responsible for the subsequent infection.

Abdomen↗
PubMed1979

Effect of surgical scrub on microbial population under the fingernails.

The effectiveness of two methods of presurgical hand preparation, the 10 minute routine scrub and the 90 second Hydroscrub, in reducing microbial numbers under the fingernails was determined. Bacteriologic cultures of 162 subungual areas of nine subjects revealed prescrub microbial counts of up to 1.9 X 10(5) colony-forming units per area. After the surgical scrub, bacterial concentrations were reduced to a different degree among the persons tested. The mean values of 3.0 X 10(3) to 7.8 X 10(3) colony-forming units immediately after scrub indicated that neither of the two methods tested reduced the microbial population under the fingernails of most persons to acceptable levels. The finding of high postscrub microbial counts under the fingernails is of particular interest and significance in view of the relatively low counts on the fingertips. On the basis of the results of this study, we conclude that degerming of the areas under the fingernails by present methods is not satisfactory. The implication of these findings is discussed.

Anti-Infective Agents, Local↗
PubMed1977

A new miniaturized system for monitoring the epidural pressure in children and adults.

A new miniaturized epidural pressure transducing system for monitoring intracranial pressure (ICP) has been developed. The system is of the as yet smallest known dimensions. The transducer is implanted automatically coplanar to the dura via a burr hole of 4 mm diameter in the conscious patient without special surgical equipment. Application is possible in adults, children and infants. We have achieved a maximal resolution of 10(-3) mm of Hg. At a full scale range of 100 mm of Hg the zero-point drift is less than 1 mm of Hg/24 h.

Adult↗
PubMed1976

The plastic surgical adhesive drape: an evaluation of its efficacy as a microbial barrier.

A microbial evaluation was made of adhesive plastic surgical drapes and cloth surgical drapes. These studies were done both during surgery and in the laboratory. The plastic drape does not allow bacterial penetration, lateral migration does not occur, skin bacteria do not multiply under the drape within the time periods studied and the patient drapes are held in place with their use. When wet, cloth drapes showed profuse bacterial penetration. Dry cloth showed less bacterial penetration as compared to wet cloth. Lateral migration under cloth drapes was not possible to assess due to a high level of penetration. The surface of cloth showed a higher level of bacterial contamination during the surgical procedures. Deep wound cultures collected just prior to closing showed 60% contamination when cloth was used compared to 6% when plastic was employed. The micro-organisms recovered from the various sites sampled were identified. Finally, in addition to the positive aseptic benefits afforded by plastic adhesive drapes, aesthetic features such as a more delineated operative field and elimination of towel clips make this product a useful adjunct to the surgeon's armamentarium.

Air Microbiology↗
PubMed1976

Effect of the H2-receptor antagonist metiamide on carbachol- and histamine-induced gastric acid secretion in the Atlantic cod,Gadus morhua.

Gastric acid secretion was measured in swimming codfish surgically equipped with a catheter draining the stomach. Intramuscular injection of histamine (15.6 mug/kg-h) or carbachol (5 mug/kg-h) stimulated the secretion of acid, carbachol in addition caused a marked decrease in drinking rate of the fishes. Administration of 10 mumol/kg-h metiamide completely prevented the acid secretion induced by both drugs. The carbachol effect on the drinking rate, interpreted to mirror contraction of the stomach following stimulation of muscarinic receptors, was not affected by metiamide.

Animals↗
PubMed1977

Effect of atropine and SC-15396 on stimulated gastric acid secretion in the atlantic cod, Gadus morhua.

Gastric acid secretion was measured in swimming codfish surgically equipped with a catheter draining the stomach. Gastric acid secretion was stimulated by histamine (5 or 15 microgram/kg-h) or by carbachol (5 microgram/kg-h). Pretreatment with atropine (1 mumol/kg-h) completely prevented the acid secretion induced by carbachol, but did not influence the secretion induced by histamine. Atropine had marked effects on the motor functions of the stomach, and seriously reduced the volume draining from the stomach. Infusion of phenol red indicated that the decrease in volume was due to a decrease in recovery of ingested water. SC-15396, "antigastrin", significantly depressed acid secretion induced by histamine, and reduced carbachol-stimulated secretion, although the later was statistically insignificant. The effects of SC-15396 is discussed with reference to the absence of receptors for gastrin related to gastric acid secretion in the codfish stomach.

Acetamides↗
PubMed1979

Gastric acid secretion and water balance in the marine teleost Gadus morhua.

Gastric acid secretion was measured in unanaesthetized codfish surgically equipped with a catheter draining the stomach. The pylorus was ligated. Without perfusion of the intestine, or during perfusion with pure sea water (100% SW) or slightly diluted (67%) SW, gastric acid secretion was low ( less than 10 mumol H+/kg.h) and the fishes became dehydrated during the experiment. Perfusion of the intestine with 50% or 3% SW enabled the fishes to compensate for the water loss to the environment and greatly enhanced gastric acid secretion. Acid secretion was elevated also in fishes in which the dehydration was prevented by an intra-muscular infusion of saline. Perfusion of the intestine (8.5 ml/h) decreased the hourly effluent volume ('drinking rate') from the stomach to almost zero within 2 h. The effect was independent of the degree of dilution of the perfusing SW, but was less pronounced when the perfusion rate was lowered. Intra-muscular saline also depressed 'drinking rate'. The acid secretion prevailing during perfusion of the intestine with SW at a dilution preventing dehydration--suggested to represent the basal acid secretion of the codfish--was inhibited by atropine, hexamethonium, and metiamide.

Animals↗