Does Laparoscopic Lens Contamination Effect Operative Time? A Study on the Frequency and Duration of Lens Contamination and Commonly Used Measures to Maintain Clear Vision

Article Information

Title: Does Laparoscopic Lens Contamination Effect Operative Time? A Study on the Frequency and Duration of Lens Contamination and Commonly Used Measures to Maintain Clear Vision

Authors: Usman Ali Rahman, Muhammad Adil Iftikhar, Khalil Ahmed, Mohammad Zia Ul Miraj, Maliha Javaid Butt, Iftikhar Ahmed

Journal: Journal of Islamabad Medical and Dental College (JIMDC)

HEC Recognition History

Category	From	To
Y	2024-10-01	2025-12-31
Y	2023-07-01	2024-09-30
Y	2022-07-01	2023-06-30
Y	2021-07-01	2022-06-30
Y	2020-07-01	2021-06-30

Publisher: Healers Educational Society

Country: Pakistan

Year: 2023

Volume: 12

Issue: 3

Language: English

DOI: 10.35787/jimdc.v12i3.1020

Keywords: Laparoscopic lensfogginglens cleaning techniques

Abstract

Objective: To determine factors affecting lens fogging and different methods used for decreasing lens fogging and operation time.Methods: This cross-sectional study was conducted in General surgery department of Gulab Devi Hospital, Lahore from January 2022 to July 2022. A total of 70 patient undergoing laparoscopic surgery were recruited in this study. Operative time, duration of time the lens remained cleaned or dirty, time wasted during cleaning, methods used for cleaning of lens and causes of lens contamination were the variables of this study.Results: Total operative time in all 70 laparoscopic procedures was found to be 53 hours and 13 minutes with a mean of 43.8 ± 8.3 minutes. A total of 288 lens contamination events were observed in all these operations with an average of 4.11 lens contamination events per case. According to study an average, 60.9% of the operational time lens remained clear, 31.2% of the operational time lens remained contaminated and 7.92% of the operative time was spent in cleaning the laparoscope.Conclusion: Our study demonstrates that a significant period of a laparoscopic surgery is performed with foggy display. A lot of time is wasted in lens cleaning.

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Research Objective

To determine factors affecting lens fogging and different methods used for decreasing lens fogging and operation time.

Methodology

This cross-sectional study was conducted in the General Surgery department of Gulab Devi Hospital, Lahore, from January 2022 to July 2022. Seventy patients undergoing laparoscopic surgery were recruited. Variables included operative time, duration of lens clarity/contamination, time spent cleaning, methods used for cleaning, and causes of contamination. Data were collected via questionnaire and analyzed using SPSS version 24.0.

Methodology Flowchart

                        graph TD; A["Study Design: Cross-sectional"] --> B["Patient Recruitment: 70 laparoscopic surgery patients"]; B --> C["Data Collection: Operative time, lens status, cleaning details, contamination causes"]; C --> D["Data Analysis: SPSS version 24.0"]; D --> E["Results and Conclusion"];

Discussion

A significant portion of laparoscopic surgery is performed with a foggy display, leading to wasted time in lens cleaning, prolonged operative time, and potential anesthesia duration. The findings are comparable to international literature regarding causes of contamination and cleaning modalities. The study highlights the impact of lens contamination on surgical efficiency.

Key Findings

Total operative time for 70 procedures was 53 hours and 13 minutes (mean 43.8 ± 8.3 minutes). A total of 288 lens contamination events were observed (average 4.11 per case). The lens remained clear for 60.9% of operational time, contaminated for 31.2%, and 7.92% of operative time was spent cleaning the laparoscope. Major causes of contamination were fogging due to cautery (53.2%), condensation of vapors (34.5%), and blood contamination (12.3%). Tapping with abdominal viscera was the least time-consuming cleaning modality.

Conclusion

A significant period of laparoscopic surgery is performed with a foggy display, and considerable time is wasted in lens cleaning. Reducing contamination and employing effective cleaning techniques can save operative time.

Fact Check

- Total operative time for 70 procedures was 53 hours and 13 minutes. (Confirmed)
- Lens remained clear for 60.9% of operational time. (Confirmed)
- Major cause of lens contamination was fogging due to cautery at 53.2%. (Confirmed)

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