Surabaya Zoo performed on the animals found plastic and wood inside the animals. The death of Melani the tiger, one of only a few hundred Sumatran tigers left in the world, outraged animal activists when it was discovered that the tiger was suffering from extreme digestive disorders before being rescued from the zoo. On 28 January 2014 Surabaya Zoo authority announced that the zoo has a collection of 3,459 animals from 197 species, but 81 animals are sick, disabled, and old, and 44 of which are in severe conditions. An online petition that calls for the closure of Surabaya Zoo due to
Hip replacement can include infection, dislocation, limb length inequality, loosening, impingement, osteolysis, metal sensitivity, nerve palsy, chronic pain and death. Weight loss surgery before a hip replacement does not appear to change outcomes. Infection is one of the most common causes for revision of a total hip replacement, along with loosening and dislocation. The incidence of infection in primary hip replacement is around 1% or less in the United States. Risk factors for infection include obesity, diabetes, smoking, immunosuppressive medications or diseases, and history of infection. Modern diagnosis of infection around a total knee replacement is based on the Musculoskeletal Infection Society