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Long term follow up of Noma patients after surgical, nutritional and mental health interventions at the Noma Children’s Hospital in northwest Nigeria, 2018Noma is a little understood, rapidly progressing gangrenous infection of the oral cavity, associated with a reported 90% mortality rate . Noma mostly affects children under the age of five, and those who survive have severe facial disfigurements (2) and multiple physical impairments such as difficulty eating, seeing and breathing. Noma can also cause stigmatization due to these impairments . The incidence of Noma is estimated to be 6.4 per 1000 children , and the World Health Organisation estimate that 140 000 children contract Noma each year . Noma is thought to be most prevalent along the Noma belt which stretches from Senegal to Ethiopia , however Noma cases have recently been reported in the United Kingdom, United States , Afghanistan , South Korea  and Laos . Little is known about Noma as the majority of cases live in underserved areas, difficult to reach locations, the mortality rate is high and the disease often goes undiagnosed. Noma starts as an inflammation of the gums, similar to a mouth ulcer, which then leads to the rapid destruction (one week ) of the jaw, lip, cheek, nose and sometimes eye . During the first active stages of the disease, antibiotic treatment and wound dressing are effective forms of care, once Noma becomes inactive, patients can survive into adulthood but require extensive reconstructive surgery. The pathogenic cause of Noma is unknown . Noma typifies the complex interactions between extreme poverty, severe malnutrition, poor oral hygiene practices, limited access to high quality health care  and co-morbidities with infections such as measles [1,2,7,11–18], malignancies, particularly leukaemia [4,11–13,16,17,19], Human Immunodeficiency Virus (HIV) [2,4–7,9,13,17–20] and Crohn’s Disease . Long term outcomes of Noma treatment are difficult to ascertain due to inconsistent follow up because of the remote locations of home villages of patients and difficulties with access to health care assessments. A 2010 paper on the outcome of trismus release in Noma patients in northwest Nigeria (patients from the Noma Children’s Hospital), showed that the long term results of trismus release were poor with only 39% of patients showing improvement in mouth opening . This shows a need to carefully monitor outcomes to try to ascertain what factors favour positive outcomes so that these can be the focus of treatment plans. Médecins Sans Frontières (MSF) runs programs at the Noma Children’s Hospital (NCH) in Sokoto, northern Nigeria, and currently assists with surgical interventions for the patients who have survived and sought care at the hospital. Community outreach, active case finding, follow up assessments and prevention programming are also supported by MSF. These projects place MSF in a unique position to study Noma, and to add to the scant body of knowledge around the disease. In 2017, MSF conducted a comprehensive descriptive study of the Noma patients treated since 2015 in the project in addition to a case control study for Noma patients. Results from these studies indicated that current routine data collection was sub-optimal. In order to be able to track clinical outcomes of Noma patients, more robust data collection and longer term follow up is needed. The current study aims to address one of the highlighted gaps from the 2017 case review which is the absence of comprehensive information on surgeries performed (including techniques) and clinical outcomes of Noma patients after surgery (in terms of surgical, anaesthesia-related and post-surgical complications, including infections) and outcome information after discharge from the hospital. Additionally, it will aim to establish better ways in which to ensure that current medical data on previous medical and vaccination history of each individual Noma patient are being accurately collected and analysed. Only by implementing a systematic and controlled method of data collection in conjunction with systematic follow up will our medical teams learn from current interventions and be able to use these recommendations for improved clinical management.