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Antibiotikaprofylax vid kirurgiska ingrepp - SBU

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Table 4.1.5 continued<br />

Author<br />

Year<br />

Reference<br />

Country<br />

Study<br />

design<br />

Population<br />

characteristics<br />

Intervention<br />

Method<br />

Number indi<strong>vid</strong>uals<br />

Control<br />

Number<br />

indi<strong>vid</strong>uals<br />

Results<br />

Withdrawal<br />

Drop outs<br />

Study quality<br />

and relevance<br />

Comments<br />

Leaper<br />

1986<br />

[28]<br />

United<br />

Kingdom<br />

RCT<br />

Compare 3rd generation<br />

cephalosporin to routine.<br />

n=100<br />

Follow-up 6 weeks.<br />

I1: Cefotetan 1 g iv at<br />

induction of anesthesia<br />

I2: Cephazolin 1 g iv<br />

induction of anesthesia<br />

Wound infection<br />

I1: 0 pts<br />

I2: 5 pts<br />

Chest infection<br />

I1: 5 pts<br />

I2: 6 pts<br />

6 pts violation Moderate<br />

Equally effective.<br />

Placebo unethical.<br />

Cultures without<br />

reaction to infection.<br />

Cefotetan: good<br />

penetration to site<br />

Lewis<br />

1995<br />

[13]<br />

Canada<br />

RCT<br />

Clean surgery. 52 thyroid/<br />

head and neck; 112 breast;<br />

biliary 225; other laparotomy<br />

120; vascular 92;<br />

hernia 165. High/low risk.<br />

(Contamination, length<br />

of op) SSI defined. Blinded.<br />

Sample size of 800 pts<br />

calculated.<br />

n=775<br />

Follow-up 6 weeks<br />

I: Cefotaxime 2 g iv at call<br />

for operation<br />

C: Placebo SSI<br />

I: 3/306 low-risk pts<br />

2/70 high-risk pts<br />

C: 12/306 lowrisk<br />

pts<br />

4/86 high-risk pts<br />

23 pts Moderate<br />

Mixture of pts. Conclude<br />

that prophylactic<br />

ab is of benefit, but<br />

questionally proven<br />

Mayer<br />

1982<br />

[31]<br />

United<br />

Kingdom<br />

RCT<br />

Consecutive pts in one<br />

surgeon’s hand. Carefully<br />

controlled. Randomisation.<br />

SSI defined.<br />

Blinded. All types of<br />

gastrointestinal surgery.<br />

n=500<br />

Follow-up 4 weeks<br />

I: Cephaloridine 1 g iv at<br />

induction of anesthesia<br />

C: Cefuroxime<br />

1.5 g iv at<br />

induction of<br />

anasthesia<br />

SSI<br />

I: Gallbladder<br />

6/45 pts (11.1%),<br />

Gastrodueodenal<br />

1/15 pts (6.7%),<br />

C: Gallbladder<br />

4/47 pts (8.5%),<br />

Gastroduodenal<br />

3/24 pts (12.5%)<br />

Moderate<br />

One surgeon series.<br />

Admits risk of type II<br />

error. No difference<br />

between groups<br />

Cephaloridine most<br />

cost effective<br />

McArdle<br />

1991<br />

[21]<br />

United<br />

Kingdom<br />

Open study with random<br />

allocation. Cefuroxime or<br />

ciprofloxacin iv; Ciprofoxacin<br />

po. Bile tract<br />

surgery, mostly OC,<br />

mostly elective. Relation<br />

bile culture, post-op<br />

infection.<br />

Follow-up 4 weeks<br />

I1: Cefuroxime 1.5 mg<br />

iv on induction (n=69)<br />

I2: Ciprofloxacin 200 mg<br />

iv on induction (n=67)<br />

I3: Ciprofoxacin 750 mg<br />

po 1 hour before<br />

anesthesia (n=72)<br />

Positive cultures<br />

I1: 32%<br />

I2: 33%<br />

I3: 32%<br />

Wound infection<br />

I1: 7 pts (10.9%)<br />

I2: 6 pts (9.7%)<br />

I3: 6 pts (9%)<br />

Moderate<br />

Relation of infection<br />

and positive culture.<br />

Choice of antibiotics<br />

should be governed<br />

by costs<br />

The table continues on the next page<br />

112 antibiotikaprofylax <strong>vid</strong> <strong>kirurgiska</strong> <strong>ingrepp</strong> KAPITEL 4 • den systematiska litteraturöversikten<br />

113

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