What is the likely impact on surgical site infections in Australian hospitals if smoking rates are reduced? A cost analysis

Introduction Assisting smokers to quit before surgery reduces surgical site infection (SSI) risk. The short-term economic benefits of reducing SSIs by embedding tobacco dependence treatment in Australian hospitals are unknown. Estimated annual number of SSIs prevented, and hospital bed-days (HBD) and costs saved from reducing smoking before surgery are calculated. Methods The most recent number of surgical procedures and SSI rates for Australia were sourced. The number of smokers and non-smokers having a SSI were calculated using the UK Royal College of Physicians reported adjusted odds ratio (1.79), and the proportion of SSIs attributable to smoking calculated. The potential impact fraction was used to estimate reductions in SSIs and associated HBDs and costs from reducing the smoking rates among surgical patients from 23.9% to 10% or 5% targets. Uncertainty around the final estimates was calculated using probabilistic sensitivity analysis. Results In 2016–17, approximately 40,593 (95% UI 32,543, 50,239) people having a surgical procedure in Australia experienced a SSI leading to 101,888 extra days (95% UI 49,988, 200,822) in hospital. If the smoking rate among surgical patients was reduced to 10%, 3,580 (95% UI 2,312, 5,178) SSIs would be prevented, and 8,985 (95% UI 4,094, 19,153) HBDs and $19.1M (95% UI $7.7M, $42.5M) saved in one year. If the smoking rate was reduced to 5%, 4,867 (95% UI 3,268, 6,867) SSIs would be prevented, and 12,217 (95% UI 5,614, 25,642) HBDs and $26.0M (95% UI $10.8M, $57.0M) would be saved. Conclusions The findings suggest achieving smoking rate targets of 10% or 5% would provide substantial short-term health and economic benefits through reductions in SSIs. Embedding tobacco dependence treatment in Australian hospitals would provide value for money by reducing costs and improving clinical quality and safety. A more comprehensive, modelled economic evaluation synthesising the best available evidence is needed to confirm findings.

Knowledge, Attitudes and Practices of Primary Care Physicians Regarding Tobacco Dependence Treatment in Muscat Governorate, Oman

Objectives: This study aimed to assess the knowledge, attitudes and practices (KAPs) of primary care physicians (PCPs) regarding tobacco dependence treatment (TDT) and to identify barriers to TDT practice in Muscat, Oman. Methods: This cross-sectional study was carried out from September 2019 to December 2019 at all 27 health centres in Muscat. All 313 PCPs working in these health centres were invited to participate. An adapted version of a previously validated 36-item questionnaire was used to assess KAPs regarding TDT services. Results: A total of 255 PCPs completed the survey (response rate: 81.5%) and they demonstrated poor knowledge (40%) but positive attitudes (60%) about TDT services. Of these, the majority were female (85.9%), had never smoked (99.2%) and were general practitioners (64.3%). The mean age was 34.3 ± 6.3 years. Only 28.2% had previously received TDT training and less than half displayed accurate TDT-related knowledge, with undergraduate medical school representing the main source of such knowledge (58.8%). While 96.9% of the PCPs agreed on the importance of TDT, only 28.6% reported feeling sufficiently confident to provide such services themselves. Lack of training (83.5%) and time (71.4%) were the main barriers to TDT practice. Conclusion: Overall, PCPs in Muscat demonstrated poor knowledge but positive attitudes with regards to TDT; however, further knowledge and training is required in order to ensure the effective and accurate provision of TDT services. These findings provide baseline data which may be of value for further research and in overcoming barriers to TDT practice in Oman, for instance establishing cessation services as part of the package of care in primary health centres could address the time constraints barriers identified by the PCPs. Keywords: Tobacco Dependence; Smoking Cessation; Primary Care Physicians; Health Knowledge, Attitudes, Practice; Oman.