Thomas G Weiser1, Alex B Haynes2, George Molina3, Stuart R Lipsitz4, Micaela M Esquivel5, Tarsicio Uribe-Leitz5, Rui Fu6, Tej Azad7, Tiffany E Chao8, William R Berry9, Atul A Gawande9. 1. Department of Surgery, Stanford University, School of Medicine, CA, USA. Electronic address: tweiser@stanford.edu. 2. Ariadne Labs, Boston, MA, USA; Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard T H Chan School of Public Health, Department of Health Policy and Management, Boston, MA, USA. 3. Ariadne Labs, Boston, MA, USA; Department of Surgery, Massachusetts General Hospital, Boston, MA, USA. 4. Ariadne Labs, Boston, MA, USA; Department of Surgery Brigham and Women's Hospital, Boston, MA, USA. 5. Department of Surgery, Stanford University, School of Medicine, CA, USA. 6. Management Sciences and Engineering, Stanford University, Stanford, CA, USA; Stanford University School of Medicine, Stanford, CA, USA. 7. Stanford University School of Medicine, Stanford, CA, USA. 8. Department of Surgery, Massachusetts General Hospital, Boston, MA, USA. 9. Ariadne Labs, Boston, MA, USA; Harvard T H Chan School of Public Health, Department of Health Policy and Management, Boston, MA, USA; Department of Surgery Brigham and Women's Hospital, Boston, MA, USA.
Abstract
BACKGROUND: It was previously estimated that 234·2 million operations were performed worldwide in 2004. The association between surgical rates and population health outcomes is not clear. We re-estimated global surgical volume to track changes over time and assess rates associated with healthy populations. METHODS: We gathered demographic, health, and economic data for 194 WHO member states. Surgical volumes were obtained from published studies and other reports from 2005 onwards. We estimated rates of surgery for all countries without available data based on health expenditure in 2012 and assessed the proportion of surgery comprised by caesarean delivery. The rate of surgery was plotted against life expectancy to describe the association between surgical care and this health indicator. FINDINGS: We identified 66 countries reporting surgical data between 2005 and 2013. We estimate that 312·9 million operations (95% CI 266·2-359·5) took place in 2012-a 33·6% increase over 8 years; the largest proportional increase occurred in countries spending US$400 or less per capita on health care. Caesarean delivery comprised 29·8% (5·8 million operations) of the total surgical volume in poor health expenditure countries compared with 10·8% (7·8 million operations) in low health expenditure countries and 2·7% (5·1 million operations) in high health expenditure countries. We noted a correlation between increased life expectancy and increased surgical rates up to 1533 operations per 100 000 people, with significant but less dramatic improvement above this rate. INTERPRETATION: Surgical volume is large and continues to grow in all economic environments. A single procedure-caesarean delivery-comprised almost a third of surgical volume in the most resource-limited settings. Surgical care is an essential part of health care and is associated with increased life expectancy, yet many low-income countries fail to achieve basic levels of service. Improvements in capacity and delivery of surgical services must be a major component of health system strengthening. FUNDING: None.
BACKGROUND: It was previously estimated that 234·2 million operations were performed worldwide in 2004. The association between surgical rates and population health outcomes is not clear. We re-estimated global surgical volume to track changes over time and assess rates associated with healthy populations. METHODS: We gathered demographic, health, and economic data for 194 WHO member states. Surgical volumes were obtained from published studies and other reports from 2005 onwards. We estimated rates of surgery for all countries without available data based on health expenditure in 2012 and assessed the proportion of surgery comprised by caesarean delivery. The rate of surgery was plotted against life expectancy to describe the association between surgical care and this health indicator. FINDINGS: We identified 66 countries reporting surgical data between 2005 and 2013. We estimate that 312·9 million operations (95% CI 266·2-359·5) took place in 2012-a 33·6% increase over 8 years; the largest proportional increase occurred in countries spending US$400 or less per capita on health care. Caesarean delivery comprised 29·8% (5·8 million operations) of the total surgical volume in poor health expenditure countries compared with 10·8% (7·8 million operations) in low health expenditure countries and 2·7% (5·1 million operations) in high health expenditure countries. We noted a correlation between increased life expectancy and increased surgical rates up to 1533 operations per 100 000 people, with significant but less dramatic improvement above this rate. INTERPRETATION: Surgical volume is large and continues to grow in all economic environments. A single procedure-caesarean delivery-comprised almost a third of surgical volume in the most resource-limited settings. Surgical care is an essential part of health care and is associated with increased life expectancy, yet many low-income countries fail to achieve basic levels of service. Improvements in capacity and delivery of surgical services must be a major component of health system strengthening. FUNDING: None.
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