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Surgical Antimicrobial Prophylaxis in Abdominal Surgery for Neonates and Paediatrics: A RAND/UCLA Appropriateness Method Consensus Study. Antibiotics (Basel) 2022; 11:antibiotics11020279. [PMID: 35203881 PMCID: PMC8868062 DOI: 10.3390/antibiotics11020279] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/16/2022] [Accepted: 02/18/2022] [Indexed: 01/26/2023] Open
Abstract
Surgical site infections (SSIs), i.e., surgery-related infections that occur within 30 days after surgery without an implant and within one year if an implant is placed, complicate surgical procedures in up to 10% of cases, but an underestimation of the data is possible since about 50% of SSIs occur after the hospital discharge. Gastrointestinal surgical procedures are among the surgical procedures with the highest risk of SSIs, especially when colon surgery is considered. Data that were collected from children seem to indicate that the risk of SSIs can be higher than in adults. This consensus document describes the use of preoperative antibiotic prophylaxis in neonates and children that are undergoing abdominal surgery and has the purpose of providing guidance to healthcare professionals who take care of children to avoid unnecessary and dangerous use of antibiotics in these patients. The following surgical procedures were analyzed: (1) gastrointestinal endoscopy; (2) abdominal surgery with a laparoscopic or laparotomy approach; (3) small bowel surgery; (4) appendectomy; (5) abdominal wall defect correction interventions; (6) ileo-colic perforation; (7) colorectal procedures; (8) biliary tract procedures; and (9) surgery on the liver or pancreas. Thanks to the multidisciplinary contribution of experts belonging to the most important Italian scientific societies that take care of neonates and children, this document presents an invaluable reference tool for perioperative antibiotic prophylaxis in the paediatric and neonatal populations.
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Bratzler DW, Dellinger EP, Olsen KM, Perl TM, Auwaerter PG, Bolon MK, Fish DN, Napolitano LM, Sawyer RG, Slain D, Steinberg JP, Weinstein RA. Clinical practice guidelines for antimicrobial prophylaxis in surgery. Surg Infect (Larchmt) 2013; 14:73-156. [PMID: 23461695 DOI: 10.1089/sur.2013.9999] [Citation(s) in RCA: 690] [Impact Index Per Article: 62.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Dale W Bratzler
- College of Public Health, Oklahoma University Health Sciences Center, Oklahoma City, Oklahoma 73126-0901, USA.
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Bratzler DW, Dellinger EP, Olsen KM, Perl TM, Auwaerter PG, Bolon MK, Fish DN, Napolitano LM, Sawyer RG, Slain D, Steinberg JP, Weinstein RA. Clinical practice guidelines for antimicrobial prophylaxis in surgery. Am J Health Syst Pharm 2013; 70:195-283. [DOI: 10.2146/ajhp120568] [Citation(s) in RCA: 1364] [Impact Index Per Article: 124.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Alvarez-Lerma F, Palomar M, Olaechea P, Sierra R, Cerda E. [Cefotaxime, twenty years later. Observational study in critically ill patients]. Enferm Infecc Microbiol Clin 2001; 19:211-8. [PMID: 11446909 DOI: 10.1016/s0213-005x(01)72615-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Afer twenty years of commercial availability of cefotaxime, the objective of this study was to know the reasons and modes of use, administration dosage as well as its effectiveness and tolerance in critically ill patients admitted to Intensive Care Units (ICU) in our country. DESIGN Open, prospective, observational, multicenter study. SUBJECTS All patients who had cefotaxime administered in monotherapy or in combination with other antibiotics were included as cases in this study. RESULTS A total of 624 patients were included in 44 ICUs (average 14 cases). Cefotaxime was indicated for therapy of 274 community-acquired infections (43.9%), 194 prophylaxis (31.1%), and 156 nosocomial infections (25.0%). Both community-acquired pneumonia (149, 34.7%) and mechanical ventilation associated pneumonia (62, 14.4%) predominated, followed by trachebronchitis (60, 13.9%) and central nervous system infections (42, 9.8%). Over half of infections (222, 51.6%) presented as systemic inflammatory response syndrome (SIRS), 133 (30.9%) as severe sepsis, and 75 (17.4%) as septic shock. In 374 (87.0%) out of the 430 cases of infection treatment, cefotaxime wan prescribed on an empirical basis and in 150 of them (40.1%) a further confirmation of the causative agent was obtained. In 120 (27.9%) cases, cefotaxime was administered as monotherapy and in the remaining cases in association with one or more antibiotics.The use of cefotaxime as prophylaxis was evaluated as failure in 31 (16.0%) of the cases, whereas in treatment it was considered as failure in 98 (22.8%) of the 430 cases, 51 community-acquired infections, 27 (27.3%) of ICU-acquired infections, and 20 (35.1%) nosocomial infections acquired outside the ICU. In 127 (29.5%) of the 430 infection treatments the initial treatment was changed. The reasons for the change included clinical failure (36, 28.3%), recovery of an uncovered pathogen with the antibiotic (40, 31.5%), emergence of multi-resistant pathogens (28, 22.0%), to decrease the therapeutic spectrum (7, 5.5%), and other reasons (16). Cefotoxime was also changed in 21 (6.0%) of the 194 cases in which it was used as prophylaxis. In 32 (5.1%) patients 37 adverse effects were noted which were associated with a possible or likely use of cefotaxime. Most notably, diarrhoea in 15 (2.4%) occasions and skin rash in 6 cases (1.0%). CONCLUSIONS Cefotaxime is still one of the therapies of choice for community-acquired and nosocomial infections as well as in different prophylactic modes. It is mostly used on an empirical basis and associated with other antibiotics. Clinical and microbiological efficiency is high whereas adverse effects related to its use have been scarce.
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Reid RI, Dobbs BR, Frizelle FA. Risk factors for post-appendicectomy intra-abdominal abscess. THE AUSTRALIAN AND NEW ZEALAND JOURNAL OF SURGERY 1999; 69:373-4. [PMID: 10353555 DOI: 10.1046/j.1440-1622.1999.01576.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Appendicectomy is a common emergency operation, after which major complications are uncommon, however when they do occur they are a major cause of concern to patient and surgeon. This study aims to determine the incidence and risk factors for post-appendicectomy intra-abdominal abscess formation. METHOD A retrospective review was undertaken of all appendicectomies undertaken in Christchurch Hospital between 1 January and 31 December 1995. Appendicectomies were identified from a database of histology. The patients' notes were reviewed and the surgical approach, histological diagnosis and postoperative complications identified. RESULTS A total of 417 appendicectomies was identified of which 331 were open, 66 laparoscopic, and 20 undertaken at laparotomy. Mean day stays for each group were 4.4, 4.2 and 11.5 days, respectively. The percentages of patients with acute appendicitis in each group were 87, 58 and 35%. Histologically the appendix was inflamed in 80% (334) of patients (acute 232, chronic 15, perforated 56 and gangrenous 24). There were six postoperative intra-abdominal abscesses (1.4%), all occurring in the open appendicectomy group when the histology was either perforated or gangrenous appendicitis (P < 0.001). There were no cases of postoperative abscess formation following laparoscopic appendicectomy. All cases of postoperative intra-abdominal abscess were associated with perforated and/or gangrenous appendicitis (P < 0.001). The incidence of intra-abdominal abscesses was 7.5% with a perforated and/or gangrenous appendix. There were two cases of iatrogenic perforation following laparoscopic appendicectomy. CONCLUSION The incidence of intra-abdominal abscess is 1.4% of all appendicectomies. The only identified risk factor for development of post-appendicectomy intra-abdominal abscess was the underlying pathology of gangrenous or perforated appendicitis.
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Affiliation(s)
- R I Reid
- Department of Surgery, Christchurch School of Medicine and Hospital, New Zealand
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Can Oral Metronidazole Substitute Parenteral Drug Therapy in Acute Appendicitis?: A New Policy in the Management of Simple or Complicated Appendicitis with Localized Peritonitis: A Randomized Controlled Clinical Trial. Am Surg 1999. [DOI: 10.1177/000313489906500505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
To demonstrate the efficacy of oral metronidazole (OM) in simple or complicated appendicitis with localized peritonitis, a randomized prospective study was carried out in 1083 patients, ranging in age from 4 to 50 years (mean age, 21.38). The patients were randomly divided into two groups. The study group (SG) (524 patients) received OM (500 mg for adults, 7–10 mg/kg if less than 15 years) 2–3 hours before operation. The drug was continued 4 to 5 hours after operation, every 8 hours, for three doses if the appendix was mild to severely inflamed. In the case of complicated appendicitis (114 patients), the same dose was given for 3 to 6 days, depending on the absence or presence of pus. Ceftizoxime was administered to the control group (CG) (559 patients) 2 to 3 hours before operation and then postoperatively every 6 hours for three doses if the appendix was mild to severely inflamed. The complicated cases in the CG (120 patients) received a combination of penicillin, chloramphenicol, and gentamicin for 3 to 6 days, depending on the absence or presence of pus. The serum concentration of metronidazole measured in 43 patients was at bactericidal level in 40 (mean ± SD standard deviation, 10.65 ± 4.89 μg/mL). The rate of wound infection was not significantly different in the SG and the CG with the same degree of pathology (3.17% vs 2.96% if uncomplicated; 15.78% vs 14.16% if complicated, respectively). Pelvic collection occurred in four adults and one child in the CG with perforated appendicitis (4.16%). The same complication developed in two adults and two children in the SG with perforated appendicitis (3.5%). All six adults and one of the children in the SG had to be re-explored, whereas the remaining two children responded to conservative management (OM and gentamicin). In uncomplicated cases, hospital stay and hospital charge were both almost the same in both groups. However, length of hospitalization was nearly 1 day shorter and hospital cost per day was about 30 per cent less in complicated cases in the SG as compared with the CG. Conclusively, OM may not only substitute parenteral antibiotics in acute appendicitis as a prophylactic agent, but it may also be used as a cost-effective drug and is more convenient to the patient.
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Abstract
Postoperative infection in general surgical patients is discussed according to operation types. A selection of the huge literature on each group is reviewed, and details from the author's own work and ideas are presented. By discussing these points attempts are made to determine the best regimens for a given set of clinical circumstances. There is a small literature indicating that postoperative chest infection can be prevented by some antibacterial drug regimens, and this question has been addressed; it seems that in the past it has been largely ignored. Some nonantibacterial methods of reducing postoperative infection are also briefly discussed.
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Affiliation(s)
- W T Morris
- University Department of Surgery, Auckland Hospital, New Zealand
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Abstract
Cefotaxime, a broad-spectrum third-generation cephalosporin, has been extensively used worldwide for chemotherapy of serious infections. Based on the characteristics of its antimicrobial spectrum, low incidence of allergy, and lack of adverse effects, cefotaxime has been used successfully for prophylaxis of a number of different surgical procedures. Extensive data have been accumulated for single-dose or short-course cefotaxime prophylaxis regimens. These cefotaxime regimens have been demonstrated to be very effective and inexpensive. For this article, over 11,500 published cefotaxime prophylaxis cases are reviewed (10,500 control cases) and 98 references are cited. Single-dose cefotaxime was clearly indicated for hysterectomies, cesarean sections, upper gastrointestinal cases, bone and joint operations, biliary tract procedures, transurethral resections, open urologic surgeries, and some vascular procedures. Short-course (3-4 doses) may be required for colorectal resections, cardiac surgeries, head and neck surgeries, organ transplants, specific pediatric surgical cases, and for some patients with compromised immune function, regardless of origin. Cefotaxime has reduced wound morbidity of contaminated abdominal operations to < 10%. This change from multiple-dose regimens to the single-dose or short-course regimens, enabled by cefotaxime use, decreases the risk of inducing or selecting bacterial resistance; the change would generate a significant reduction in hospital costs. Surgeons should not hesitate to employ cefotaxime and other third-generation cephalosporins with proven limited-dose indications to greatly benefit their patients and the hospital environment.
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Affiliation(s)
- H S Sader
- Department of Pathology, University of Iowa College of Medicine, Iowa City 52242
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Abstract
Cefotaxime, a third-generation cephalosporin, is active against many troublesome gram-negative organisms and anaerobes that now more frequently cause nosocomial infection. Single-dose cefotaxime, 1 g or 2 g administered 30 minutes prior to surgery, has been proven to be effective as prophylaxis for infection following gastrointestinal, biliary, obstetric, gynecologic, and genito-urinary procedures. When published trials are compiled, single-dose cefotaxime is more effective than multiple-dose cefazolin (p less than 0.01) in these types of surgery. Unfortunately, the dramatic increase in cephalosporin use has been accompanied by the emergence of resistant organisms such as enterococci and fungi. In Europe, some centers successfully prevent nosocomial pneumonia in intubated patients by decontaminating gastric contents with a combination of nonabsorbable antimicrobial agents including cefotaxime. Further trials may validate this concept for use in the United States.
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Affiliation(s)
- L O Gentry
- Infectious Diseases Section, Saint Luke's Episcopal Hospital, Houston, Texas
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Seco JL, Ojeda E, Reguilon C, Rey JM, Irurzun A, Serrano SR, Santamaria JL. Combined topical and systemic antibiotic prophylaxis in acute appendicitis. Am J Surg 1990; 159:226-30. [PMID: 2301717 DOI: 10.1016/s0002-9610(05)80267-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two hundred forty-six patients with acute appendicitis were randomly assigned to one of two groups. One group of 120 patients received systemic clindamycin preoperatively. Another group of 126 patients received, in addition to systemic clindamycin, a solution of topical ampicillin applied to subcutaneous tissues. No differences were found in the characteristics of the two groups. Combined prophylaxis with clindamycin and ampicillin significantly reduced wound infection to 4%, compared with clindamycin alone (p less than 0.02). A decrease in the surgical wound infection rate in the group treated with clindamycin and ampicillin was mainly observed in patients with advanced (gangrenous and perforated) appendicitis (p less than 0.05). A significant decrease in wound infection rates in patients with positive culture results was also found. We conclude that prophylaxis with a combination of systemic clindamycin and topical ampicillin solution, when compared with clindamycin alone, more effectively prevents wound infection after emergency appendectomy, especially in patients with serious wound contamination.
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Affiliation(s)
- J L Seco
- Department of General Surgery, Hospital General Yagë, Burgos, Spain
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Bauer T, Vennits B, Holm B, Hahn-Pedersen J, Lysen D, Galatius H, Kristensen ES, Graversen P, Wilhelmsen F, Skjoldborg H. Antibiotic prophylaxis in acute nonperforated appendicitis. The Danish Multicenter Study Group III. Ann Surg 1989; 209:307-11. [PMID: 2647050 PMCID: PMC1493927 DOI: 10.1097/00000658-198903000-00010] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In a prospective, block-randomized, multicenter study, the safety and efficacy of cefoxitin in preoperative prophylaxis were studied. 1735 patients undergoing appendectomy were evaluable, and half of these patients received 2 g of cefoxitin before undergoing operation. The patients were divided into three groups: patients with a normal appendix, patients with an acutely inflamed appendix, and patients with a gangrenous appendix. The study showed for each group a significant reduction of the incidence of wound infection in patients receiving prophylaxis. However, intra-abdominal abscess formation was not influenced by preoperative antibiotic prophylaxis. Consequently, routine preoperative prophylaxis is recommended before appendectomy.
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Affiliation(s)
- T Bauer
- Department of Surgery, General Hospital of Roenne, Denmark
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Lau WY, Fan ST, Chu KW, Yip WC, Yuen WC, Wong KK. Influence of surgeons' experience on postoperative sepsis. Am J Surg 1988; 155:322-6. [PMID: 3341556 DOI: 10.1016/s0002-9610(88)80724-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A prospective study was performed on 635 patients with appendicitis operated on by 7 trainees and 119 patients operated on by 6 senior surgeons with more than 8 years of surgical experience. In patients with normal appendices, postoperative sepsis was extremely low. For early and late appendicitis, the infection rates of the trainees decreased as experiences accumulated, but they were still higher than that of the senior surgeons. The difference in infection rates in acute appendicitis did not reach statistical significance between any of the training stages and between the various stages and the rate of the senior surgeons. The differences in infection rates in late appendicitis between stage 1 and stage 3 was significant, as was the difference in infection rates between stage 1 and the infection rate of the senior surgeons. Therefore, we have concluded that overall, the limited experience of trainees is related to the rate of postoperative sepsis in late appendicitis, although the infection rates of individual trainees vary a lot.
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Affiliation(s)
- W Y Lau
- Government Surgical Unit, Queen Mary Hospital, Hong Kong
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Lau WY, Fan ST, Yip WC, Chu KW, Yiu TF, Yeung C, Wong KK. Acute appendicitis in children. THE AUSTRALIAN AND NEW ZEALAND JOURNAL OF SURGERY 1987; 57:927-31. [PMID: 3439936 DOI: 10.1111/j.1445-2197.1987.tb01295.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A prospective study was conducted on 344 children aged from 3 months to 16 years with acute appendicitis. Most children presented with typical features of acute appendicitis (70%) or peritonitis (28%). Atypical presentation was uncommon and occurred only in seven young children, masquerading as intestinal obstruction, gastroenteritis or urinary tract infection. Prolonged delay in surgery was associated with a rise in incidence of late appendicitis (gangrenous and perforated appendicitis). This rise was especially marked 37 h after onset of symptoms. The main causes of delay were inability of the parents and primary care medical practitioners to recognize the disease early. Surgeons contributed very little to the delay. High risk factors for postappendectomy sepsis were young children under 6 years old, late appendicitis, obese patients, inferior systemic antibiotic regimes and inexperienced surgeons. Young children had high postoperative sepsis mainly because of the high incidence of late appendicitis due to their inability to express their symptoms properly. They were not especially prone to postappendectomy sepsis; they had the same degree of appendicitis compared with older children. Measures to decrease the postappendectomy morbidity are suggested.
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Affiliation(s)
- W Y Lau
- Government Surgical Unit, Queen Mary Hospital, Hong Kong
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DiPiro JT, Cheung RP, Bowden TA, Mansberger JA. Single dose systemic antibiotic prophylaxis of surgical wound infections. Am J Surg 1986; 152:552-9. [PMID: 3535553 DOI: 10.1016/0002-9610(86)90228-x] [Citation(s) in RCA: 117] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The proper duration of antimicrobial use for the prevention of postoperative surgical infection has been a subject of controversy. Currently, more than 40 published clinical trials are available in which the efficacy of single dose surgical prophylaxis with parenteral antimicrobials has been studied. These studies have compared single doses versus multiple doses of the same agent, single doses of antimicrobial versus placebo, single doses of various antimicrobials, and a single dose of one agent versus multiple doses of another agent. In all trials in which single dose regimens were compared with multidose regimens, the single dose regimens resulted in a similar frequency of postoperative wound infections. Single antimicrobial doses, usually cephalosporins given immediately before operation, are effective in preventing wound infections in gastric, biliary, and transurethral operations, hysterectomies and cesarean sections. For colorectal operations, the value of single parenteral doses of various agents has been established; however, it is not clear if there is an added benefit when oral antimicrobials are also used. For open heart operations or those in which prosthetic materials are implanted, the value of single dose regimens has not been established.
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Tanner AG, Thom BT, Strachan CJ. Cefotetan compared with gentamicin and tinidazole in acute abdominal surgery. J Hosp Infect 1986; 7:49-59. [PMID: 2870109 DOI: 10.1016/0195-6701(86)90026-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In a prospective randomised trial 190 consecutive admissions undergoing emergency abdominal surgery were allocated to receive a 24-h peri-operative prophylactic regime of either cefotetan or gentamicin and tinidazole. Wound sepsis developed in 14 patients in each group and one patient in each group developed intra-abdominal abscess. Nine patients in the cefotetan group and 10 patients in the gentamicin and tinidazole group died within 1 month of surgery. The death of one patient in each group was directly related to sepsis. Sixty-five per cent of aerobes isolated at operation were sensitive to cefotetan and 62% sensitive to gentamicin. The in vitro anaerobic cover of tinidazole was complete, whereas 13% of anaerobes isolated at operation were resistant to cefotetan. Anaerobes, predominantly Bacteroides fragilis, were isolated from six of the 14 infected wounds following cefotetan prophylaxis and two of the 14 infected wounds in the gentamicin and tinidazole group. It is therefore recommended that cefotetan should be combined with a nitroimidazole in patients undergoing emergency colo-rectal procedures.
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Lau WY, Fan ST, Chu KW, Suen HC, Yiu TF, Wong KK. Randomized, prospective, and double-blind trial of new beta-lactams in the treatment of appendicitis. Antimicrob Agents Chemother 1985; 28:639-42. [PMID: 3911877 PMCID: PMC176348 DOI: 10.1128/aac.28.5.639] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
A prospective, randomized, and double-blind study was conducted with 864 patients operated on for appendicitis. In early cases, including normal and acute appendicitis, one dose of antibiotic was given. The rate of postappendectomy septic complications in patients who received cefotaxime, cefoperazone, or moxalactam was very low (about 3%), and there was no statistical difference between the drugs. For late cases, including gangrenous and perforated appendicitis, the antibiotics were continued for 5 days. Moxalactam decreased significantly the septic complications in these patients when compared with the other two drugs. It is safe, free from serious toxic side effects, and more convenient and easier to administer than combination antibiotic therapy. The main disadvantage of moxalactam is its high cost, but this has to be balanced against the savings in nursing time, the cost of monitoring renal function and serum level when aminoglycosides are used, and the reduced usage and manipulation of infusion sets.
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Drumm J, Donovan IA, Wise R, Lowe P. Metronidazole and Augmentin in the prevention of sepsis after appendicectomy. Br J Surg 1985; 72:571-3. [PMID: 4016543 DOI: 10.1002/bjs.1800720724] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Two hundred and fifty patients were admitted to a prospective randomized trial to compare the efficacy of Augmentin with metronidazole in the prevention of sepsis after appendicectomy. Pre-operatively they received either 500 mg metronidazole or 1.2g Augmentin intravenously. Those patients with gangrenous or perforated appendices received eight additional doses of the trial drug at 8 hourly intervals. Overall there were 13 wound infections in the Augmentin group (11 per cent) and 21 in the metronidazole group (18 per cent). The 90 per cent confidence limits for the overall 7 per cent difference in infection rates were +/- 8.5 per cent. There were high rates of wound infection in the gangrenous group (Augmentin 8 per cent versus metronidazole 19 per cent) and especially in the perforated group (Augmentin 33 per cent versus metronidazole 63 per cent). There was no statistically significant difference between the infection rates with the two antibiotics but our study suggests that Augmentin, which is active against both aerobes and anaerobes, may be more effective than metronidazole in reducing wound sepsis after appendicectomy.
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