Preoperative vaginal cleansing with chlorhexidine solution in preventing post-cesarean section infections in a low resource setting: A randomized controlled trial

Guidelines for intraoperative care in cesarean delivery: Enhanced Recovery After Surgery Society recommendations (part 2)-2025 update

Enhanced recovery after cesarean delivery protocols include evidence-based interventions which are designed to improve patient experience and maternal and neonatal outcomes, whilst reducing healthcare related costs. This is the first update to the Enhanced Recovery After Surgery Society guidelines for intraoperative care in cesarean delivery published in 2018. Interventions were selected based on expert consensus. An updated literature search was conducted in September 2024 involving the Embase, PubMed MEDLINE, EBSCO Cumulative Index of Nursing and Allied Health Literature, Scopus, and Web of Science databases. Targeted searches were performed by a medical librarian to identify relevant articles published since the 2018 Enhanced Recovery After Surgery Society guidelines publication, which evaluated each intraoperative enhanced recovery after cesarean delivery intervention, focusing on randomized clinical trials and large observational studies (≥800 patients) to maximize search feasibility and relevance. Following a review of the evidence, consensus was achieved surrounding the quality of evidence and strength of recommendation for each proposed intervention according to the Grading of Recommendations, Assessment, Development, and Evaluation system. The ten recommended enhanced recovery after cesarean delivery intraoperative intervention categories are: (i) use of personal support persons (very low evidence, strong recommendation); (ii) prophylactic antibiotics (moderate to high evidence, strong recommendation); (iii) abdominal and vaginal preparation (moderate evidence, strong recommendation); (iv) antiemetic prophylaxis (low evidence, strong recommendation); (v) prevention of spinal hypotension (low evidence, strong recommendation); (vi) maintenance of normothermia (moderate evidence, strong recommendation); (vii) maintenance of euvolemia (low evidence, strong recommendation), (viii) optimal use of uterotonics (moderate evidence, strong recommendation); (ix) multimodal analgesia (low evidence, strong recommendation); and (x) early initiation of skin-to-skin care (moderate evidence, strong recommendation). The ten recommended intraoperative interventions outlined above represent the best evidence to date and should be considered in the absence of contraindications in patients undergoing cesarean delivery to optimize patient recovery and outcomes.

Vaginal Microbiota and Local Immunity in HPV-Induced High-Grade Cervical Dysplasia: A Narrative Review

Persistent high-risk Human Papillomavirus infection is the primary factor in cervical carcinogenesis. However, other host-related features are believed to play a role as well. Recent research suggests that the vaginal microbiome and the immune microenvironment play a significant role in the acquisition and persistence of Human Papillomavirus infection, as well as in the regression or progression of cervical intraepithelial lesions. Studies in this emerging field describe factors associated with this interaction, though the precise nature remains incompletely understood. In this narrative review, we aim to summarize the current literature on the topic and propose hypotheses and recommendations for future research and treatment strategies.

The correlation between vaginal pathogens and high-risk human papilloma virus infection: a meta-analysis of case-control studies

Background

Systematic study on the relationship between vaginal microbiota and high-risk human papillomavirus infection (HR-HPV) is limited. Hence, the aim of this study is to investigate the correlation between vaginal microbiota and HR-HPV infection through a meta-analysis of case-control studies.

Methods

Chinese Journal Full-text database, Wanfang database, PubMed database, VIP Chinese Science and Technology Journal database, Web of Science, ScienceDirect, ProQuest, JSTOR, Wiley, and IEEE Xplore were synthetically searched for studies about the correlation between vaginal microbiota and HR-HPV infection. Revman 5.3 software was used to assess the relationship between vaginal microbiota and HPV infection through meta-analysis. Finally, forest map was used to calculate the results and funnel plot was applied to test the publication bias.

Results

Fourteen independent studies were admitted in this study, containing a total of 21, 446 women in gynecological outpatients. Compared with HR-HPV negative group, the prevalence of bacterial vaginosis (BV) [odds ratio (OR)=2.45, 95% confidence intervals (CI): 1.83-3.27, P<0.00001], Ureaplasma urealyticum (UU) (OR=1.38, 95% CI: 1.23-1.54, P<0.00001), and Chlamydia trachomatis (CT) (OR=3.53, 95% CI: 2.82-4.41, P<0.00001) increased in HR-HPV positive group through meta-analysis, while, there was no significant difference in the prevalence of trichomonal vaginitis (TV) (OR=1.69, 95% CI: 0.97-2.96, P=0.06) and vulvovaginal candidiasis (VVC) (OR=0.91, 95% CI: 0.54-1.51, P=0.71.

Conclusions

Vaginal pathogens are closely related to HR-HPV infection. When BV, UU, and CT are abnormal, the risk of HR-HPV infection is increased.

Preoperative Application of Chlorhexidine to Reduce Infection with Cesarean Delivery after Labor (PRACTICAL): A Randomized Clinical Trial

OBJECTIVE

To evaluate whether use of both preoperative 2% chlorhexidine gluconate abdominal cloth and 4% chlorhexidine gluconate vaginal scrub is effective in reducing surgical site infections (SSIs) in patients undergoing cesarean delivery after labor.

STUDY DESIGN

This is a single-center, randomized clinical trial in which patients were randomized 1:1 to receive 2% chlorhexidine gluconate cloth applied to the abdomen in addition to the application of 4% chlorhexidine gluconate vaginal scrub versus standard of care. The primary outcome was rate of SSIs, including endometritis, by 6 weeks postdelivery. The secondary outcomes were other wound complications (erythema at the operative site, skin separation, drainage, fever, hematoma, seroma) by 6 weeks postdelivery, hospital readmission for wound complications, and day of discharge after cesarean delivery.

RESULTS

A total of 319 patients between September 2018 and February 2021 met eligibility criteria: 160 were randomized to the chlorhexidine gluconate abdominal cloth and vaginal scrub group and 159 were randomized to the standard of care group. The groups did not have significant differences in maternal demographic characteristics. Of the 302 (95%) individuals included in primary analysis, there was no statistically significant difference in SSI and endometritis rate by 6 weeks postdelivery (6.6% in chlorhexidine vs. 5.3% standard of care, p = 0.65). Secondary outcomes were also similar among the two groups.

CONCLUSION

The combination of preoperative 2% chlorhexidine gluconate abdominal cloth and 4% chlorhexidine gluconate vaginal scrub does not appear to reduce the risk of SSI with cesarean delivery after trial of labor when compared with standard of care.

KEY POINTS

· Preoperative chlorhexidine abdominal cloth/vaginal scrub does not decrease SSI in cesarean after labor.. · Preoperative chlorhexidine abdominal cloth/vaginal scrub does not decrease other wound complications in cesarean after labor.. · There was no difference in discharge day, 2-week or 6-week SSI rates..

Preoperative vaginal cleansing with chlorhexidine and cetrimide solution for reduction of postoperative infectious morbidity at a tertiary care center in North India: A prospective cohort study

OBJECTIVE

To determine the effect of preoperative vaginal cleansing with chlorhexidine and cetrimide solution on postoperative infectious morbidity.

METHODS

This prospective cohort study was conducted over a period of 18 months in the Department of Obstetrics and Gynecology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India. Women undergoing cesarean section were alternately allotted to study and control groups. Women with chorioamnionitis, antepartum hemorrhage, rupture of membranes for more than 24 h, and fever in the preoperative period were excluded. The study group received preoperative vaginal cleansing with antiseptic solution (7.5% chlorhexidine w/v and 15% cetrimide w/v); the control group did not receive vaginal cleansing. Both groups were followed for the presence of any infectious morbidity until they were discharged from the hospital.

RESULTS

Age, body mass index (calculated as weight in kilograms divided by the square of height in meters), gestational age, and the parity of the women in the study and control groups were comparable (n = 760). The rate of endometritis was lower in the study group, but the difference was not statistically significant (P = 0.054). Post-cesarean febrile morbidity and wound sepsis were significantly lower in the study group (P = 0.017 and P = 0.02, respectively). On subgroup analysis, women in the study group with rupture of the membranes before cesarean delivery had lower wound sepsis and a reduced duration of hospital stay. Women in the study group with emergency cesarean delivery showed a significant reduction in wound sepsis, febrile morbidity, and length of hospital stay.

CONCLUSION

Preoperative vaginal cleansing with chlorhexidine and cetrimide solution before a cesarean section reduces postoperative infectious morbidity.

Evaluation of independent risk factors associated with surgical site infections from caesarean section

BACKGROUND

The present study assessed factors associated with the risk of surgical site infections (SSI) after a caesarean section (C-section).

METHODS

Data were collected in 1682 women undergoing elective (53.9%) and emergency (46.1%) C-sections between 1st August 2020, and 30th December 2021, at a National Health Service hospital (Surrey, UK).

RESULTS

At the time of C-section, the mean age was 33.1 yr (SD ± 5.2). Compared to women with BMI < 30 kg/m2, those with a BMI ≥ 35 kg/m2 had a greater risk of SSI, OR 4.07 (95%CI 2.48-6.69). Women with a history of smoking had a greater risk of SSI than those who had never smoked, OR 1.69 (95%CI 1.05-2.27). Women with a BMI ≥ 30 kg/m2 and had a smoking history or emergency C-section had 3- to tenfold increases for these adverse outcomes. Ethnic minority, diabetes or previous C-section did not associate with any of the outcomes.

CONCLUSIONS

High BMI, smoking, and emergency C-section are independent risk factors for SSI from C-section. Women planning conception should avoid excess body weight and smoking. Women with diabetes and from ethnic minority backgrounds did not have increased risks of SSI, indicating a consistent standard of care for all patients.

The Impact of Cefepime and Ampicillin/Sulbactam on Preventing Post-Cesarean Surgical Site Infections, Randomized Controlled Trail

Over the previous three decades, the rate of caesarean sections performed worldwide has grown exponentially. In comparison to a vaginal birth, the risk of all postpartum infections is higher with a cesarean section. One of the key factors contributing to maternal morbidity is the development of infectious complications in the surgical site after a caesarean section. The primary goal of the research was to compare the efficiency of using ampicillin/sulbactam (AMS) and cefepime (CEF) to reduce the incidence of surgical site infections (SSI) following caesarean delivery. This prospective randomized study was conducted among 200 pregnant women scheduled for elective cesarean section. They were collected from the Obstetrics and Gynecology department of Beni-Suef University Hospital, and then they were randomly assigned into two groups. Group (A) received cefepime 30 min before and 12 h after cesarean delivery, while group (B) received ampicillin/sulbactam 30 min before and 12 h after cesarean delivery. The groups were matched regarding the baseline women characteristics. Comparing the cefepime to the ampicillin/sulbactam revealed that the cefepime significantly decreased superficial SSI from 27% to 14% (0.023). A significant decrease was observed in deep SSI with cefepime compared to ampicillin/sulbactam from 24% to 13% (p-value 0.045). Interestingly, when the cefepime was compared to the ampicillin/sulbactam, we noted that the incidence of endometritis significantly decreased from 13% to 5% (p = 0.048). A noted decrease in post-operative fever in cefepime as compared to ampicillin/sulbactam from 18% to 13% (p-value = 0.329). Receiving prophylactic cefepime pre- and post-cesarean delivery significantly decreases post-operative wound infection and endometritis.

Different methods of vaginal preparation before cesarean delivery to prevent postoperative infection: a systematic review and network meta-analysis

OBJECTIVE

Precesarean vaginal antisepsis can benefit pregnant women with ruptured membranes. However, in the general population, recent trials have shown mixed results in reducing postoperative infections. This study aimed to systematically review clinical trials and summarize the most suitable vaginal preparations for cesarean delivery in preventing postoperative infection.

DATA SOURCES

We searched PubMed, Web of Science, Cochrane Library, SinoMed databases, and the ClinicalTrials.gov clinical trials registry for randomized controlled trials and conference presentations (past 20 years, 2003-2022). Reference lists of previous meta-analyses were searched manually. In addition, we conducted subgroup analysis on the basis of whether the studies were conducted in developed or developing countries, whether the membranes were ruptured, and whether patients were in labor.

STUDY ELIGIBILITY CRITERIA

We included randomized controlled trials comparing vaginal preparation methods for the prevention of postcesarean infection with each other or with negative controls.

METHODS

Two reviewers independently extracted data and assessed the risk of bias and the certainty of the evidence. The effectiveness of prevention strategies was assessed by frequentist-based network meta-analysis models. The outcomes were endometritis, postoperative fever, and wound infection.

RESULTS

A total of 23 trials including 10,026 cesarean delivery patients were included in this study. Vaginal preparation methods included 19 iodine-based disinfectants (1%, 5%, and 10% povidone-iodine; 0.4% and 0.5% iodophor) and 4 guanidine-based disinfectants (0.05% and 0.20% chlorhexidine acetate; 1% and 4% chlorhexidine gluconate). Overall, vaginal preparation significantly reduced the risks of endometritis (3.4% vs 8.1%; risk ratio, 0.41 [0.32-0.52]), postoperative fever (7.1% vs 11.4%; risk ratio, 0.58 [0.45-0.74]), and wound infection (4.1% vs 5.4%; risk ratio, 0.73 [0.59-0.90]). With regard to disinfectant type, iodine-based disinfectants (risk ratio, 0.45 [0.35-0.57]) and guanidine-based disinfectants (risk ratio, 0.22 [0.12-0.40]) significantly reduced the risk of endometritis, and iodine-based disinfectants reduced the risk of postoperative fever (risk ratio, 0.58 [0.44-0.77]) and wound infection (risk ratio, 0.75 [0.60-0.94]). With regard to disinfectant concentration, 1% povidone-iodine was most likely to simultaneously reduce the risks of endometritis, postoperative fever, and wound infection.

CONCLUSION

Preoperative vaginal preparation can significantly reduce the risk of postcesarean infectious diseases (endometritis, postoperative fever, and wound infection); 1% povidone-iodine has particularly outstanding effects.

Vaginal cleansing before unscheduled cesarean delivery to reduce infection: a randomized clinical trial

BACKGROUND

Cesarean delivery is the most performed major surgery among women, and surgical-site infections following a cesarean delivery are a significant source of postoperative morbidity. It is unclear if vaginal cleansing before a cesarean delivery decreases post-cesarean delivery infectious morbidity.

OBJECTIVE

This study aimed to evaluate if preoperative vaginal cleansing with povidone-iodine among women undergoing a cesarean delivery after labor decreases postoperative infectious morbidity.

STUDY DESIGN

This randomized clinical trial was conducted from August 3, 2015 to January 28, 2021, with 30 days of follow-up and the final follow-up completed on February 27, 2021. Patients met the inclusion criteria if they underwent a cesarean delivery after regular contractions with cervical dilation, rupture of membranes, or any cesarean delivery performed at >4 cm dilation. Participants were randomly assigned in a 1:1 ratio to either abdominal cleansing plus vaginal cleansing with 1% povidone-iodine or abdominal cleansing alone. The primary outcome was composite infectious morbidity including surgical-site infection, fever, endometritis, and wound complications within 30 days after the cesarean delivery. Secondary outcomes included individual components of the composite, length of hospital stay, postoperative hospitalization or outpatient treatment related to infectious morbidity, and empirical treatment for neonatal sepsis.

RESULTS

A total of 608 subjects (304 vaginal cleansing group, 304 control group) were included in the intention-to-treat analysis. Patient characteristics were similar between groups. There was no significant difference in the primary composite outcome between the 2 groups (11.8% vs 11.5%; P=.90; relative risk, 1.0; 95% confidence interval, 0.7-1.6). Individual components of the composite and secondary outcomes were also not significantly different between the groups. Similar findings were observed in the as-treated analysis (11.3% vs 11.8%; P=.9; relative risk, 1.0; 95% confidence interval, 0.7-1.6).

CONCLUSION

Vaginal cleansing with povidone-iodine before an unscheduled cesarean delivery occurring after labor did not reduce the postoperative infectious morbidity. These findings do not support the routine use of vaginal cleansing for women undergoing a cesarean delivery after labor.

[The cesarean procedure: Guidelines for clinical practice from the French College of Obstetricians and Gynecologists]

OBJECTIVE

To identify procedures to reduce maternal morbidity during cesarean.

MATERIAL AND METHODS

The quality of evidence of the literature was assessed following the GRADE® method with questions formulated in the PICO format (Patients, Intervention, Comparison, Outcome) and outcomes defined a priori and classified according to their importance. An extensive bibliographic search was performed on PubMed, Cochrane and EMBASE databases. The quality of the evidence was assessed (high, moderate, low, very low) and a (i) strong or (ii) weak recommendations or (iii) no recommendation were formulated. The recommendations were reviewed in two rounds with external reviewers (Delphi survey) to select the consensus recommendations.

RESULTS

Of the 27 questions, there was agreement between the working group and the external reviewers on 26. The level of evidence of the literature was insufficient to provide a recommendation on 15 questions. Preventing hypothermia is recommended to increase maternal satisfaction and comfort (weak recommendation) and to reduce neonatal hypothermia (strong recommendation). The quality of the evidence of the literature did not allow to recommend the skin disinfectant to be used nor the relevance of a preoperative vaginal disinfection nor the choice between the use or nonuse of an indwelling bladder catheterization (if micturition takes place 1 hour before the cesarean section). The Misgav-Ladach technique or its analogues should be considered rather than the Pfannenstiel technique to reduce maternal morbidity (weak recommendation) bladder flap before uterine incision should not be performed routinely (weak recommendation), but a blunt (weak recommendation) and cephalad-caudad extension of uterine incision (weak recommendation) should be considered to reduce maternal morbidity. Antibiotic prophylaxis is recommended to reduce maternal infectious morbidity (strong recommendation) without recommendation on its type or the timing of administration (before incision or after cord clamping). The administration of carbetocin after cord clamping does not significantly decrease the incidence of blood loss>1000 ml, anemia, or blood transfusion compared with the administration of oxytocin. Thus, it is not recommended to use carbetocin rather than oxytocin in cesarean. It is recommended that systematic manual removal of the placenta not to be performed (weak recommendation). An antiemetic should be administered after cord clamping in women having a planned cesarean under locoregional anaesthesia to reduce intraoperative and postoperative nausea and vomiting (strong recommendation) with no recommendation regarding choice of use one or two antiemetics. The level of evidence of the literature was insufficient to provide any recommendation concerning single or double-layer closure of the uterine incision, or the uterine exteriorization. Closing the peritoneum (visceral or parietal) should not be considered (weak recommendation). The quality of the evidence of the literature was not sufficient to provide recommendation on systematic subcutaneous closure, including in obese or overweight patients, or the use of subcuticular suture in obese or overweight patients. The use of subcuticular suture in comparison with skin closure by staples was not considered as a recommendation due to the absence of a consensus in the external review rounds.

CONCLUSION

In case of cesarean, preventing hypothermia, administering antiemetic and antibiotic prophylaxis after cord clamping are the only strong recommendations. The Misgav-Ladach technique, the way of performing uterine incision (no systematic bladder flap, blunt cephalad-caudad extension), not performing routine manual removal of the placenta nor closure of the peritoneum are weak recommendations and may reduce maternal morbidity.

The risk factors and nursing countermeasures of sepsis after cesarean section: a retrospective analysis

Background

Sepsis is a very serious complication of cesarean section, understanding the influencing factors is important to the prevention and management of sepsis. We aimed to analyze the associated risk factors of sepsis of cesarean section, to provide evidences into the clinical management and nursing care of cesarean section.

Methods

Patients who underwent cesarean section surgery from January 1, 2017 to June 30, 2021 in our hospital were included. The characteristics of patients were collected and analyzed. Logistic regression analyses were conducted to analyze the influencing factors of sepsis of cesarean section.

Results

A total of 3819 patients undergoing cesarean section were included, the incidence of sepsis in patients undergoing cesarean section was 0.84%. There were significant differences in the age, vaginal delivery attempt, premature rupture of membranes, preoperative hemoglobin, estimated blood loss during surgery and postoperative urinary tube implacement between sepsis and no sepsis patients (all p < 0.05). Logistic regression analyses found that age ≥ 35y(OR3.22, 95%CI1.20 ~ 5.15), gestational diabetes(OR2.64, 95%CI1.91 ~ 4.15), vaginal delivery attempt(OR2.05, 95%CI1.70 ~ 4.42), premature rupture of membranes(OR2.42, 95%CI1.02 ~ 4.20), preoperative hemoglobin ≤ 105 g/L(OR4.39, 95%CI1.02 ~ 7.88), estimated blood loss during surgery ≥ 400 ml(OR1.81, 95%CI1.35 ~ 3.01), postoperative urinary tube implacement(OR2.19, 95%CI1.27 ~ 2.50) were the risk factors of sepsis in patients undergoing cesarean section(all p < 0.05). Escherichia Coli(46.15%), Enterococcus faecalis(17.95%) and Pseudomonas aeruginosa(12.83%) were the most commonly-seen bacteria in sepsis patients.

Conclusion

In clinical practice, medical workers should carry out strict management and early prevention of related risk factors during the perioperative period of pregnant women, to effectively reduce the occurrence of sepsis after cesarean section.

Vaginal preparation with different antiseptic solutions before cesarean section for preventing postoperative infections: A systematic review and network meta-analysis

AIMS

We aimed to investigate the effect of various vaginal wash solutions on reducing risks of post-cesarean endometritis, wound infections, fever, and hospital stay duration.

METHODS

Scopus, Web of Science, PubMed, and Cochrane Library were searched for randomized clinical trials that compared different vaginal wash solutions to each other or to "no vaginal cleaning"; without restriction on the age of parturients or site where trials were conducted. We analyzed this frequentist network meta-analysis using the netmeta package in R software version 4.1.2; synthesized data as mean difference or risk ratio with their 95% confidence intervals.

RESULTS

Our network meta-analysis included 29 RCTs with a total sample size of 9311 women undergoing CS. Regarding post-cesarean endometritis, we found that povidone-iodine had the highest significant risk reduction compared to "no vaginal cleaning" (RR = 0.08, 95% CI [0.01, 0.69]). While regarding post-cesarean reduction of wound infection, fever, and hospital stay duration, we found that chlorhexidine 4% (RR = 0.17, 95% CI [0.05, 0.65]), saline 0.9% (RR = 0.12, 95% CI [0.03; 0.48]), and saline 0.9% (MD = -1.29, 95% CI [-2.18; -0.39]), respectively, had the highest significant risk reduction compared to "no vaginal cleaning."

CONCLUSION

Vaginal wash solutions were associated with a significant reduction of post-cesarean endometritis, wound infection, fever, and hospital stay duration. Since povidone-iodine had the highest significant reduction of post-cesarean endometritis, we recommend setting povidone-iodine as the standard practice as pre cesarean vaginal wash solution; consistent practice guidelines of Enhanced Recovery After Surgery (ERAS).

Real-world implementation of a vaginal preparation policy prior to cesarean delivery

OBJECTIVE

Surgical site infections (SSIs) are a major source of morbidity and mortality for women who undergo cesarean section (c-section). SSIs following c-section include wound infection, infection of the endometrium (endometritis) and intra-abdominal infections. Perioperative interventions to prevent these infections continue to be studied, including the use of vaginal preparation prior to c-section. Although literature has shown that the use of vaginal preparation prior to c-section decreases the rate of SSI, real-world clinical data regarding effective implementation of these policies are lacking. The objectives of this study were to determine (1) if a vaginal preparation policy could be implemented in a real-world setting with a high compliance rate and (2) to identify factors led to differences in compliance with policy.

STUDY DESIGN

This was a secondary analysis of a retrospective cohort study designed to examine the incidence of SSI after c-section before and after the implementation of vaginal preparation policy. The primary outcomes included implementation rates of the vaginal preparation for the post policy cohort. Secondary outcomes included subgroup analysis of policy adherence based on time of day, urgency of delivery, membrane status, labor status, and maternal factors.

RESULTS

Overall adherence to the vaginal preparation policy was 87.2% of patients. Maternal factors did not impact the rate of policy adherence. 81.4% of patients undergoing c-section at night had vaginal prep completed compared to 89.9% of patients undergoing c-section during the day (p = .016). 63.8% of patients undergoing emergent c-section had vaginal prep completed, compared to 90.1% of patients undergoing non-emergent c-section (p < .001). Laboring patients were more likely to have vaginal preparation completed (143 (95.3%) vs. 225 (82.7%), p = .009).

CONCLUSIONS

Compliance with vaginal preparation policy was high. Patients who are undergoing evening deliveries and emergent deliveries are less likely to have vaginal preparation completed. Some of these differences are likely attributable to perceived urgency of the c-section. It is important that interventions are identified such as staff education and standardization of documentation to improve rates of policy adherence.

Virucidal efficacy of chlorhexidine: a systematic review

This study aimed to systematically review the literature about the virucidal efficacy of CHX in comparison to other substances used in the oral cavity. Electronic searches were performed in four databases (PubMed, Scopus, Embase, and Web of Science). Only studies that presented the following characteristics were included: (1) verified virucidal efficacy of CHX against Herpes Simplex Type-1 (HSV-1), any Influenza, or any human coronavirus (HcoV); and (2) compared the virucidal efficacy of CHX with essential oils (Listerine^®), quaternary ammonium compounds, povidone-iodine, hydrogen peroxide, negative control substance, and absence of therapy. Two researchers independently selected the studies, extracted data and evaluated the risk of bias. A narrative data synthesis was used. Twenty-five studies were included, of which 21 were in vitro and four were randomized clinical trials (RCT). Studies assessed the virucidal efficacy of CHX against Herpes Simplex Type-1 (HSV-1) (10 studies), Influenza A (InfluA) (4 studies), human coronavirus (HCoV) (4 studies) and Severe Acute Respiratory Syndrome-Related Coronavirus (SARS-CoV-2) (11 studies). Most studies demonstrated that CHX has a positive virucidal efficacy against HSV-1 and InfluA strains. However, lower efficacy was shown to InfluA strain in comparison to povidone-iodine. Lower to none virucidal efficacy of CHX is expected for HCoV and SARS-CoV-2 strains for in vitro studies. Three RCT demonstrated that CHX was able to significantly reduce the viral load of SARS-CoV-2 for a short period. CHX may present an interesting virucidal efficacy against HSV-1 and InfluA viruses. CHX also presents transient efficacy against SARS-CoV-2 when used as a mouthwash.