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How many surgical procedures are performed each year?
Surgery and Other Treatments
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Catgut, an absorbable sterile strand, is obtained from collagen derived from healthy mammals. It was originally prepared from the submucosal layer of the intestines of sheep. It is used as a surgical ligature.
According to the latest figures (2007), 45 million surgical procedures were performed on an inpatient basis. The most frequently performed procedures include:
| Procedure | Procedures per Year |
| Arteriography and angiocardiography using contrast | 1.9 million |
| material (used to evaluate blockages in the arteries that | |
| supply blood to the heart) | |
| Cesarean section | 1.3 million |
| Cardiac catheterizations | 1.1 million |
| Endoscopy of small intestine with or without biopsy | 1.0 million |