Incidence and risk factors for surgical site infection post-gynecological operations in a tertiary hospital in Egypt: a retrospective study

Background: Surgical site infection (SSI) is the most common complication of surgical procedures in gynecology and it poses a significant burden for both patients and healthcare systems. Our objective was determining the incidence and risk factors for SSI post-gynecological operations during the period of five years.Methods: A matched case-control study at Minia maternity university, Egypt where A total of 18772 cases had undergone different gynecological procedures. The 876 cases were complicated with SSI (SSI cases group) and 2 matched controls per case were chosen from the rest of the cases and served as the control group (n=1752 cases).Results: The overall incidence of SSI post-gynecological operations was 4.67% and post-hysterectomy was 7.57%. SSI group had a significantly higher number of cases with diabetes, obesity, high parity (>4), increased blood loss and those had prolonged duration of surgery compared to the control group (all p<0.01).Conclusions: The identified risk factors are crucial for risk stratification of SSI and prioritizing interventions to improve the outcome. These results could give a picture for SSI post-gynecological operations in our country and identifying these risk factors is crucial for risk stratification of SSI and prioritizing interventions to improve the outcome.

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Incidence, risk factors and management of post cesarean section surgical site infection (SSI) in a tertiary hospital in Egypt: a five year retrospective study

BMC Pregnancy and Childbirth ◽

10.1186/s12884-021-04054-3 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Khaled Gomaa ◽

Ahmed R. Abdelraheim ◽

Saad El Gelany ◽

Eissa M. Khalifa ◽

Ayman M. Yousef ◽

...

Keyword(s):

Risk Factors ◽

Retrospective Study ◽

Mortality Rate ◽

Cesarean Section ◽

Surgical Site Infection ◽

Significant Risk ◽

Tertiary Hospital ◽

Control Group ◽

Site Infection ◽

Incidence Risk

Abstract Background Surgical site infection (SSI) is one of the commonest complications following cesarean section (CS) with a reported incidence of 3–20%. SSI causes massive burdens on both the mother and the health care system. Moreover, it is associated with high maternal morbidity and mortality rate of up to 3%. This study aims to determine the incidence, risk factors and management of SSI following CS in a tertiary hospital. Methods This was an observational case control retrospective study which was conducted at Minia maternity university hospital, Egypt during the period from January 2013 to December 2017 (Five years). A total of 15,502 CSs were performed during the studied period, of these, 828 cases developed SSI following CS (SSI group). The control group included 1500 women underwent cesarean section without developing SSI. The medical records of both groups were reviewed regarding the sociodemographic and the clinical characteristics. Results The incidence of SSI post-cesarean section was 5.34%. Significant risk factors for SSI were; chorioamnionitis (adjusted odds ratio (AOR) 4.51; 95% CI =3.12–6.18), premature rupture of membranes (PROM) (AOR 3.99; 95% CI =3.11–4.74), blood loss of > 1000 ml (AOR 2.21; 95% CI =1.62–3.09), emergency CS (AOR 2.16; 95% CI =1.61–2.51), duration of CS of > 1 h (AOR 2.12; 95% CI =1.67–2.79), no antenatal care (ANC) visits (AOR 2.05; 95% CI =1.66–2.37), duration of labor of ≥24 h (AOR 1.45; 95% CI =1.06–2.01), diabetes mellitus (DM) (AOR 1.37; 95% CI =1.02–2.1 3), obesity (AOR 1.34; 95% CI =0.95–1.84), high parity (AOR 1.27; 95% CI = 1.03–1.88), hypertension (AOR 1.19; 95% CI = 0.92–2.11) and gestational age of < 37 wks (AOR 1.12; 95% CI = 0.94–1.66). The mortality rate due to SSI was 1.33%. Conclusions The obtained incidence of SSI post CS in our study is relatively lower than other previous studies from developing countries. The development of SSI is associated with many factors rather than one factor. Management of SSI is maninly medical but surgical approach may be needed in some cases. Registration Local ethical committee (Registration number: MOBGYN0040).

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Assessment of risk factors for surgical site infection following caesarean section

International Journal of Reproduction Contraception Obstetrics and Gynecology ◽

10.18203/2320-1770.ijrcog20194886 ◽

2019 ◽

Vol 8 (11) ◽

pp. 4518

Author(s):

Aditi Sangwan ◽

Vani Malhotra

Keyword(s):

Risk Factors ◽

Caesarean Section ◽

Surgical Site Infection ◽

Site Infection ◽

Emergency Caesarean ◽

Group I ◽

Number Of Patients ◽

Duration Of Surgery ◽

Wound Discharge ◽

Group Ii

Background: Assessment of surgical site infection is an important factor to determine the functioning of the health care system. Objectives of this study was to estimate the incidence of surgical site infection among caesarean section cases and to determine the risk factors associated with surgical site infection and comparison with patients having healthy wounds.Methods: One thousand pregnant women who underwent caesarean section were divided into two groups: Group 1 (cases): Those who had SSI within 30 days of caesarean section and Group 2 (controls): Those who didn’t have SSI.Results: Mean age of group I was 25.35±4.40 and 21.12±3.60 years in group II (p >0.05). Mean gestational age of group I cases was 38.07±1.88 weeks and in group II, it was 38.17±2.06 weeks (p >0.05). A total of 37 (82.5%) women in group I and 931 (96.98%) women in group II underwent emergency caesarean section (p <0.05). In group I, mean duration of surgery was 1.0±0.13 hours and 1.02±0.21 hours in group II (p <0.05). Maximum number of patients i.e. 22 (55%) had wound discharge between 4-7 days followed by 11 (27.5%) between 8-10 days. Mean wound discharge was 7.32±3.45 days in group I. Majority of women, i.e. 27 (67%) found to be sterile in the present study followed by 7 (17.5%) women were found to have staphylococcus aureus. Mean duration of resuturing was 17.42±6.98 days. Mean baby weight in group I was 2.72±0.53 kg and in group II it was 2.95±0.53 kg (p <0.001).Conclusions: Risk of developing SSI after caesarean section is multi-factorial and found to be influenced by emergency surgery, PROM, pre-operative anaemia, multiple vaginal examinations, interrupted skin suturing, raised BMI, nulliparity, emergency caesarean, duration of surgery.

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Developing a Risk Stratification Model for Surgical Site Infection after Abdominal Hysterectomy

Infection Control and Hospital Epidemiology ◽

10.1086/606166 ◽

2009 ◽

Vol 30 (11) ◽

pp. 1077-1083 ◽

Cited By ~ 47

Author(s):

Margaret A. Olsen ◽

James Higham-Kessler ◽

Deborah S. Yokoe ◽

Anne M. Butler ◽

Johanna Vostok ◽

...

Keyword(s):

Risk Factors ◽

Health Insurance ◽

Blood Transfusion ◽

Risk Stratification ◽

Surgical Site Infection ◽

Private Health Insurance ◽

Abdominal Hysterectomy ◽

Site Infection ◽

Independent Risk Factors ◽

Duration Of Operation

Objective.The incidence of surgical site infection (SSI) after hysterectomy ranges widely from 2% to 21%. A specific risk stratification index could help to predict more accurately the risk of incisional SSI following abdominal hysterectomy and would help determine the reasons for the wide range of reported SSI rates in individual studies. To increase our understanding of the risk factors needed to build a specific risk stratification index, we performed a retrospective multihospital analysis of risk factors for SSI after abdominal hysterectomy.Methods.Retrospective case-control study of 545 abdominal and 275 vaginal hysterectomies from July 1, 2003, to June 30, 2005, at 4 institutions. SSIs were defined by using Centers for Disease Control and Prevention/National Nosocomial Infections Surveillance criteria. Independent risk factors for abdominal hysterectomy were identified by using logistic regression.Results.There were 13 deep incisional, 53 superficial incisional, and 18 organ-space SSIs after abdominal hysterectomy and 14 organ-space SSIs after vaginal hysterectomy. Because risk factors for organ-space SSI were different according to univariate analysis, we focused further analyses on incisional SSI after abdominal hysterectomy. The maximum serum glucose level within 5 days after operation was highest in patients with deep incisional SSI, lower in patients with superficial incisional SSI, and lowest in uninfected patients (median, 189, 156, and 141 mg/dL, respectively; P = .005). Independent risk factors for incisional SSI included blood transfusion (odds ratio [OR], 2.4) and morbid obesity (body mass index [BMI], >35; OR, 5.7). Duration of operation greater than the 75th percentile (OR, 1.7), obesity (BMI, 30–35; OR, 3.0), and lack of private health insurance (OR, 1.7) were marginally associated with increased odds of SSI.Conclusions.Incisional SSI after abdominal hysterectomy was associated with increased BMI and blood transfusion. Longer duration of operation and lack of private health insurance were marginally associated with SSI.

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Poor Functional Status as a Risk Factor for Surgical Site Infection Due to Methicillin-Resistant Staphylococcus aureus

Infection Control and Hospital Epidemiology ◽

10.1086/590124 ◽

2008 ◽

Vol 29 (9) ◽

pp. 832-839 ◽

Cited By ~ 36

Author(s):

Deverick J. Anderson ◽

Luke F. Chen ◽

Kenneth E. Schmader ◽

Daniel J. Sexton ◽

Yong Choi ◽

...

Keyword(s):

Staphylococcus Aureus ◽

Surgical Site Infection ◽

Functional Status ◽

Surgical Patients ◽

Control Group ◽

Site Infection ◽

Methicillin Resistant ◽

Increased Risk ◽

Duration Of Surgery ◽

Poor Functional Status

Objective.To identify risk factors for surgical site infection (SSI) due to methicillin-resistant Staphylococcus aureus (MRSA).Design.Prospective case-control study.Setting.One tertiary and 6 community-based institutions in the southeastern United States.Methods.We compared patients with SSI due to MRSA with 2 control groups: matched uninfected surgical patients and patients with SSI due to methicillin-susceptible S. aureus (MSSA). Multivariable logistic regression was used to determine variables independently associated with SSI due to MRSA, compared with each control group.Results.During the 5-year study period, 150 case patients with SSI due to MRSA were identified and compared with 231 matched uninfected control patients and 128 control patients with SSI due to MSSA. Two variables were independendy associated with SSI due to MRSA in both multivariable regression models: need for assistance with 3 or more activities of daily living (odds ratio [OR] compared with uninfected patients, 3.97 [95% confidence interval {CI}, 2.18-7.25]; OR compared with patients with SSI due to MSSA, 3.88 [95% CI, 1.91-7.87]) and prolonged duration of surgery (OR compared with uninfected patients, 1.98 [95% CI, 1.11-3.55]; OR compared with patients with SSI due to MSSA, 2.33 [95% CI, 1.17-4.62]). Lack of independence (ie, poor functional status) remained associated with an increased risk of SSI due to MRSA after stratifying by age.Conclusions.Poor functional status was highly associated with SSI due to MRSA in adult surgical patients, regardless of age. A patient's level of independence can be easily determined, and this information can be used preoperatively to target preventive interventions.

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Incision and Prediction of Risk Factors Related to Surgical Site Infection Following Cesarean Section in Chinese Women

10.20944/preprints202109.0436.v1 ◽

2021 ◽

Author(s):

Qiuxiang Huang

Keyword(s):

Risk Factors ◽

Cesarean Section ◽

Surgical Site Infection ◽

Pregnant Women ◽

Chinese Women ◽

Severe Infection ◽

Control Group ◽

Site Infection ◽

Gynecology And Obstetrics ◽

Group Data

Cesarean Section (CS) is one of the most frequently executed surgical procedures in gynecology and obstetrics. After a cesarean section, surgical site infection (SSI) increases hospital stay, lengthens maternal morbidity, and upsurges treatment costs. The current study determines the prevalence and risk factors for surgical site infection following cesarean section in China. A retrospective study was conducted on 23 cases of pregnant women who underwent cesarean section and incision severe infection and detection from March 2017 to January 2020 at Wuhan Maternal and Child Healthcare Hospital in China as the study group, and 20 cases of uninfected cesarean section during the same period were selected as the control group. Data were compared with the controls based on study variables and the presence of SSI. The mean age was 31±2.6. High fever and blood loss were observed in serous SSI-infected patients. The incidence rate of severe surgical site infection was 0.15 %. SSI was observed to be expected in pregnant women who had premature rupture of membrane before surgery (p < 0.001), who underwent postoperative antibiotic therapy (p < 0.001), and the patients who had gestational diabetes mellitus (p <0.001) and hematoma (p < 0.001) during surgery. Hence, following a cesarean section, surgical site infection is common. This research discovered several modifiable risk factors. SSI is associated with multifactorial rather than a single one. The development and strict implementation of a procedure by all health care practitioners can successfully reduce and prevent infection rates following cesarean section.

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Incidence, risk factors and Microorganisms for post caesarean Surgical Site Infection In A Tertiary Care Centre in Bangladesh

Journal of Dhaka Medical College ◽

10.3329/jdmc.v28i2.51148 ◽

2021 ◽

Vol 28 (2) ◽

pp. 136-141

Author(s):

Shahfinaz Mehzabin ◽

Mohmmad Mahbub Elahi ◽

Debashish Bar ◽

Banalata Sinha ◽

Tahmina Akter ◽

...

Keyword(s):

Risk Factors ◽

Caesarean Section ◽

Surgical Site Infection ◽

Surgical Site Infections ◽

Site Infection ◽

Medical College ◽

Related Risk ◽

Microbiological Methods ◽

Duration Of Surgery ◽

History Of

Background: Surgical site infection (SSI) is a common complication following caesarean section (C-section) and mainly responsible for increased maternal morbidity and higher treatment costs. This study will determine the incidence and risk factors of surgical site infections following caesarean section in Dhaka Medical College Hospital (DMCH). Materials and Methods: This is a retrospective observational study which was conducted among patients having post caesarean surgical site infections attending post-natal outdoor clinic of DMCH from January, 2019 to December, 2019. Data were collected in structured questionnaire. Culturebased microbiological methods were used to identify causal agents in postoperative wounds. Results: Overall SSI rate following caesarian section was 4.44%.Patient related risk factors were inadequate antenatal check-up, emergency procedures, malnutrition (22.44%), anaemia (21.46%) associated comorbidity (59.46%), history of rupture membrane >12 hours (40.98%) and had history of prolonged labour pain >12 hours (16.10%).Surgery related risk factors were repeated per vaginal examinations by untrained birth attendant (21.95%) & duration of surgery>1 hour (62.93%). The most common organisms responsible for SSI were Staphylococcus aureus 44(21.46%) and Escherichia coli 31(15.12%). The most sensitive antibiotics were aminoglycosides, cephalosporin & cloxacillin. Conclusion: Most of the risk factors for surgical site infection following caesarean section identified in this study can be modified through intervention. However the microorganisms detected from our patient showed a high degree of resistance for commonly prescribed antimicrobials in our set-up. J Dhaka Medical College, Vol. 28, No.2, October, 2019, Page 136-141

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A prospective study of surgical site infection of orthopedic implant surgeries

International Journal of Research in Orthopaedics ◽

10.18203/issn.2455-4510.intjresorthop20175651 ◽

2017 ◽

Vol 4 (1) ◽

pp. 1 ◽

Cited By ~ 2

Author(s):

Muhammad Thahir ◽

Suresh Gandhi ◽

Kalaivanan Kanniyan ◽

Ravi Kumar

Keyword(s):

Risk Factors ◽

Prospective Study ◽

Surgical Site Infection ◽

Infection Rate ◽

Risk Index ◽

Univariate Analysis ◽

Cost Of Care ◽

Orthopaedic Implant ◽

Site Infection ◽

Duration Of Surgery

Background: Surgical-site infection accounts for approximately 10% of all hospital-acquired infections, which are estimated to double the cost of care and result in an additional mean of 6.5 days of hospital stay. We did prospective study of surgical site infection of orthopaedic implant surgeries.Methods: The aim of the study is to assess the clinical and microbiological outcome of 125 patients who had open reduction and internal fixation with implants and prosthesis at Southern Railway Hospital from January 2006 to January 2007, and its strength of association with major risk factors using univariate analysis. In our study, Patients were allocated in to three groups as NINS risk index group 0, 1 and 2 with risk factors as duration of surgery >2 hours and ASA class ≥3. Post-operative wound infection was diagnosed based on the criteria of Center of Disease Control and assessed for the period of 6 weeks using National Nosocomial Infections Surveillance Risk Index.Results: There were 87 male and 38 females in the study. From 125 Patients, 13 patients had post-operative superficial surgical site infection and presented within 21 days of operation. The infection rate was 10.4%. Two Patients developed deep infection after 6 weeks of study. All the cases with superficial infection were followed at regular intervals, 11 cases resolved with regular dressing and antibiotics but 2 cases continued to discharge sinus up to 3 months.Conclusions: The study showed that the risk of infection rate increased significantly with ASA score, duration of surgery, obesity and NINS risk index. There was no significant association of infection rate with age, diabetes and smoking.

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Risk Stratification for Organ/Space Surgical Site Infection in Digestive System Cancer: A Prospective Cohort Study

10.21203/rs.3.rs-142464/v1 ◽

2021 ◽

Author(s):

Chen Sun ◽

Hui Gao ◽

Yuelun Zhang ◽

Lijian Pei ◽

Yuguang Huang

Keyword(s):

Risk Factors ◽

Cohort Study ◽

Risk Stratification ◽

Surgical Site Infection ◽

Prospective Cohort Study ◽

Prospective Cohort ◽

Digestive System ◽

Site Infection ◽

Digestive System Cancer ◽

Risk Stratification Score

Abstract Background: Organ/space surgical site infection (organ/space SSI) is one of the serious postoperative complications, closely related to a poor prognosis. Few studies have attempted to design risk scoring systems for patients with digestive system cancer. This study aimed to develop a simple and practical risk stratification score for these patients to identify a priori risk of organ/space SSI.Methods: This prospective cohort study was based on two prospective studies (NCT02756910, ChiCTR-IPR-17011099), including patients undergoing elective radical resection of digestive system cancer. Logistic regression analysis was used to identify the determinant variables. The incidence of organ/space SSI stratified over perioperative factors was compared and compounded in a risk score.Results: Among the 839 patients, 51 developed organ/space SSI (6.1%) within 30 days after surgery. Patients undergoing gastrectomy (OR=8.466, 95% CI: 2.728-26.270, P<0.001), colorectal resection (OR=11.180, 95% CI: 3.921-31.881, P<0.001) and pancreatoduodenectomy (OR=9.054, 95% CI: 3.329-24.624, P<0.001) with an anaesthesia time > 4 h (OR=2.335, 95% CI: 1.035-5.271, P=0.041) and prolonged intensive care unit (ICU) stays > 24 h (OR=4.243, 95% CI: 1.715-10.498, P=0.002) had a significantly higher risk of organ/space SSI. These risk factors (procedure type, anaesthesia time, prolonged ICU stays) were also associated with an increase in organ/space SSI rates based on a compounded score (P<0.001). Comparisons with the overall population revealed that patients with 0 or 1 risk factor (n=602) had an organ/space SSI rate of 2.8% (RR=0.197, 95% CI: 0.112-0.345), those with 2 risk factors (n=223) had an organ/space SSI rate of 13.0% (RR=3.641; 95% CI: 2.138-6.202), and those with 3 risk factors (n=14) had an organ/space SSI rate of 35.7% (RR=6.405, 95% CI: 3.005-13.653).Conclusion: The risk stratification score in this study provides a simple and practical tool to stratify patients with digestive system cancer so that the relative risk of developing postoperative organ/space SSIs can be predicted.Trial Registration: This study was based on one randomized controlled trial (NCT02756910) registered at ClinicalTrials.gov on April 29, 2016 and one prospective cohort study (ChiCTR-IPR-17011099) registered at the Chinese Clinical Trial Registry on April 9, 2017.

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Risk Stratification for Organ/Space Surgical Site Infection in Advanced Digestive System Cancer

Frontiers in Oncology ◽

10.3389/fonc.2021.705335 ◽

2021 ◽

Vol 11 ◽

Author(s):

Chen Sun ◽

Hui Gao ◽

Yuelun Zhang ◽

Lijian Pei ◽

Yuguang Huang

Keyword(s):

Risk Factors ◽

Clinical Trial ◽

Logistic Regression ◽

Risk Stratification ◽

Surgical Site Infection ◽

Digestive System ◽

Logistic Regression Model ◽

Site Infection ◽

Multivariable Logistic Regression Model ◽

Digestive System Cancer

BackgroundOrgan/space surgical site infection (organ/space SSI) is a serious postoperative complication, closely related to a poor prognosis. Few studies have attempted to stratify the risk of organ/space SSI for patients with advanced digestive system cancer. This study aimed to identify a simple risk stratification for these patients based on perioperative factors.MethodsThe study was based on two randomized controlled trials (RCT) (NCT02715076, ChiCTR-IPR-17011099), including 839 patients undergoing elective radical resection of advanced digestive system cancer. The primary outcome was organ/space SSI within 30 days after surgery. Multivariable logistic regression model was used to identify risk factors. The risk of organ/space SSI stratified over those risk factors was compared using chi-square tests and the relative risk (RR) was estimated.ResultsAmong the 839 patients, 51 developed organ/space SSI (6.1%) within 30 days after surgery. According to the multivariable logistic regression model, 3 procedure types, including gastrectomy (OR=8.22, 95% CI: 2.71-24.87, P<0.001), colorectal resection (OR=8.65, 95% CI: 3.13-23.85, P<0.001) and pancreatoduodenectomy (OR=7.72, 95% CI: 2.95-20.21, P<0.001), as well as anaesthesia time > 4 h (OR=2.38, 95% CI: 1.08-5.27, P=0.032) and prolonged ICU stay (OR=4.10, 95% CI: 1.67-10.10, P=0.002), were risk factors for postoperative organ/space SSI. The number of risk factors was significantly associated with an increased risk of organ/space SSI (P<0.001), which was 2.8% in patients with 0-1 risk factor (RR=0.20, 95% CI: 0.11-0.35), 13.0% in patients with 2 risk factors (RR=3.64, 95% CI: 2.14-6.20) and 35.7% in patients with 3 risk factors (RR=6.41, 95% CI: 3.01-13.65).ConclusionThis study is a preliminary exploratory and provides a simple risk stratification to identify the risk of postoperative organ/space SSI for patients with advanced digestive system cancer. Further research is needed to validate and generalize the results in a wider population.Clinical Trial RegistrationClinicalTrials.gov, identifier NCT02715076; Chinese Clinical Trial Registry [https://www.chictr.org.cn/enindex.aspx], identifier ChiCTR-IPR-17011099.

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Risk Factors for Surgical Site Infection in Children

Infection Control and Hospital Epidemiology ◽

10.1086/504938 ◽

2006 ◽

Vol 27 (7) ◽

pp. 709-715 ◽

Cited By ~ 23

Author(s):

Juan Francisco Casanova ◽

Rafael Herruzo ◽

Jesús Díez

Keyword(s):

Risk Factors ◽

Surgical Site Infection ◽

Pediatric Patients ◽

Risk Index ◽

Venous Catheter ◽

University Hospital ◽

Site Infection ◽

Convenience Sample ◽

Peripheral Venous Catheter ◽

Duration Of Surgery

Objectives.To assess the appropriateness of using the indices developed by the Study on the Efficacy of Nosocomial Infection Control (SENIC) and the National Nosocomial Infections Surveillance (NNIS) project to determine risk factors for surgical site infection (SSI) in children and, if not appropriate, to explore the factors related to SSI in children so these factors could be used in a risk index for pediatric patients.Design.Cohort study during more than 4 years.Setting.La Paz University Hospital, a national reference center that serves Health Area 5 of Madrid, Spain, which has approximately 500,000 inhabitants.Patients.Convenience sample consisting of the 3,646 children admitted for surgery who had a postsurgical stay of more than 2 days.Results.A model with 8 predictive factors (degree of surgical contamination; duration of surgery; type of surgery; use of a peripheral venous catheter, central venous catheter, or urinary catheter; number of diagnoses; and SSI exposition time) was created. Its relation to the SSI rate was better than that of the SENIC or NNIS indices. Its sensitivity, specificity, and area under the receiver–operating characteristic curve were higher than that of the SENIC index.Conclusions.The model that we created seems to be more adequate for predicting SSI and evaluating pediatric patients' intrinsic risk than the SENIC and NNIS indices.

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