The anti-spasmodic effect of peppermint oil during colonoscopy: a systematic review and meta-analysis

Aziz, Muhammad; Sharma, Sachit; Ghazaleh, Sami; Fatima, Rawish; Acharya, Ashu; Ghanim, Marcel; Sheikh, Taha; Lee‐Smith, Wade; Hamdani, Syed Usman; Nawras, Ali

doi:10.23736/s1121-421x.20.02652-5

Cited by 10 publications

(9 citation statements)

References 26 publications

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“…Mentha's volatile constituents are well-recognized; the main chemical constituent of the essential oil is menthol (33-60%) [40,54]. The other compounds are menthone (15-32%), 1,8-cineole (eucalyptol) (5-13%), menthofuran (1-10%), isomenthone (1.5-10.0%), menthyl acetate (2-11.0%), limonene (1-7%), and β-caryophyllene (2-4%) [26,30,[54][55][56]. Prior work has suggested that Mentha's essential oil is mainly responsible for the biological activity of the plant products [57,58].…”

Section: Discussionmentioning

confidence: 99%

Polyphenol Profile and Antimicrobial and Cytotoxic Activities of Natural Mentha × piperita and Mentha longifolia Populations in Northern Saudi Arabia

et al. 2020

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New sources of polyphenols with anticancer, antioxidant, and antimicrobial properties in arid environments are critical for the development of alternative medicines and natural remedies. This study explored the polyphenol profiles and biological activities of methanolic leaf extracts from natural Mentha × piperita and Mentha longifolia populations in northern Saudi Arabia. Chromatographic analyses identified several polyphenols in M. × piperita including phenolic acids: rosmarinic acid (1547.6 mg/100 g DW (dry weight)), cryptochlorogenic acid (91.7 mg/100 g DW), and chlorogenic acid (69.4 mg/100 g DW), as well as flavonoids: naringin (328.8 mg/100 g DW) and cynaroside (162.8 mg/100 g DW). The major polyphenols in M. longifolia were: rosmarinic acid (781.6 mg/100 g DW), cryptochlorogenic acid (191.1 mg/100 g DW), p-coumaric acid (113.0 mg/100 g DW), m-coumaric acid (112.2 mg/100 g DW), and chlorogenic acid (63.8 mg/100 g DW). M. × piperita and M. longifolia leaf extracts had high antioxidant activities due to the major polyphenols (cynaroside, rosmarinic and cryptochlorogenic acids). M. × piperita had higher activities against different cancer cells than M. longifolia. Naringin, cryptochlorogenic acid, and rosmarinic acid had the highest activities against cancer cells. The leaf extracts had antibacterial effects against most bacteria species (Pseudomonas aeruginosa was most sensitive), which was attributed to the polyphenols. Antifungal activities were similarly broad (Aspergillus flavus was most sensitive) and attributed to naringin, cryptochlorogenic acid, and caffeic acid. Populations of M. × piperita and M. longifolia in Northern Riyadh may be a valuable source of natural biologically active compounds.

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Section: Discussionmentioning

confidence: 99%

Polyphenol Profile and Antimicrobial and Cytotoxic Activities of Natural Mentha × piperita and Mentha longifolia Populations in Northern Saudi Arabia

et al. 2020

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“…Numerous interventions have been introduced to improve the ADR of colonoscopy. These include the use of add‐on devices (endocap, endoring, endocuff, G‐EYE, and amplifEYE), electronic chromoendoscopy (narrow band imaging, linked color imaging, blue laser imaging, and flexible spectral imaging color enhancement), water‐aided techniques (water immersion and water exchange), use of second observer, antispasmodic administration, retroflexion in the right colon or second forward view, quality control initiatives, and improved bowel preparation . However, there are still a number of adenomas that are missed during colonoscopy, and current efforts are being directed to prevent this.…”

Section: Introductionmentioning

confidence: 99%

The impact of deep convolutional neural network‐based artificial intelligence on colonoscopy outcomes: A systematic review with meta‐analysis

Aziz

Fatima

Dong

et al. 2020

J of Gastro and Hepatol

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The authors declare no conflict of interest. No human subjects/animals were involved in this systematic review and meta-analysis. Author contribution: Muhammad Aziz planned and conducted the study, collected and interpreted the data, conducted the statistical analysis, and drafted the manuscript. Rawish Fatima collected the data, interpreted the data, and drafted the manuscript. Dong Charles interpreted the data and drafted the manuscript. Wade Lee-Smith created the search strategy and collected the data, and drafted the manuscript. Ali Nawras was involved in study design/conception and critical revision of the manuscript. All authors have approved the submission of this manuscript to the journal and are accountable for all aspects of the work as relevant. Financial support: No funding was received for the preparation of this manuscript.

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“…The U.S. Multi-Society Task Force set ADR benchmarks of ≥ 25 % overall (≥ 20 % in women and ≥ 30 % in men) among colonoscopists to achieve high-quality examinations [29]. Numerous interventions and techniques including use of distal attachments (cap, cuff, rings), virtual chromoendoscopy, water-based techniques, having a second observer, premedication with peppermint oil, optimizing bowel prep and ensuring good examination techniques have been proposed previously to improve ADR during colonoscopy [12,13,[30][31][32][33][34]. Our study demonstrated the potential use of i-scan with surface and CE as an additional modality that can be employed to improve the ADR [22,35].…”

Section: Discussionmentioning

confidence: 99%

Does i-scan improve adenoma detection rate compared to high-definition colonoscopy? A systematic review and meta-analysis

et al. 2022

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Background and study aims Recent studies evaluated the impact of i-scan in improving the adenoma detection rate (ADR) compared to high-definition (HD) colonoscopy. We aimed to systematically review and analyze the impact of this technique. Methods A thorough search of the following databases was undertaken: PubMed/Medline, EMBASE, Cochrane and Web of Science. Full-text RCTs and cohort studies directly comparing i-scan and HD colonoscopy were deemed eligible for inclusion. Dichotomous outcomes were pooled and compared using random effects model and DerSimonian-Laird approach. For each outcome, relative risk (RR), 95 % confidence interval (CI), and P value was generated. P < 0.05 was considered statistically significant. Results A total of five studies with six arms were included in this analysis. A total of 2620 patients (mean age 58.6 ± 7.2 years and female proportion 44.8 %) completed the study and were included in our analysis. ADR was significantly higher with any i-scan (RR: 1.20, [CI: 1.06–1.34], P = 0.003) compared to HD colonoscopy. Subgroup analysis demonstrated that ADR was significantly higher using i-scan with surface and contrast enhancement only (RR: 1.25, [CI: 1.07–1.47], P = 0.004). Conclusions i-scan has the potential to increase ADR using the surface and contrast enhancement method. Future studies evaluating other outcomes of interest such as proximal adenomas and serrated lesions are warranted.

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The anti-spasmodic effect of peppermint oil during colonoscopy: a systematic review and meta-analysis

Cited by 10 publications

References 26 publications

Polyphenol Profile and Antimicrobial and Cytotoxic Activities of Natural Mentha × piperita and Mentha longifolia Populations in Northern Saudi Arabia

Polyphenol Profile and Antimicrobial and Cytotoxic Activities of Natural Mentha × piperita and Mentha longifolia Populations in Northern Saudi Arabia

The impact of deep convolutional neural network‐based artificial intelligence on colonoscopy outcomes: A systematic review with meta‐analysis

Does i-scan improve adenoma detection rate compared to high-definition colonoscopy? A systematic review and meta-analysis

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