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Introduction: Virtual reality is being used more and more in the healthcare field, particularly during treatment. In the context of pain management, the question arises as to the effectiveness of using virtual reality during care in reducing the perception of procedural pain., Aim: To study the impact of using virtual reality on the perception of procedural pain and on the course of care in pediatric oncology., Methods: A quasi-experimental, matched-case-control study conducted at the pediatric oncology unit of the Tunis Children's Hospital over a three-month period. Each child had two nursing care : with and without the use of virtual reality., Results: Thirty-two children were enrolled. The sex ratio was 0.88. The edia nage was 96 ± 49 months. The care provided was peripheral venous line insertion (53%), blood sampling (32%) and port-a-catheter puncture (15%). The use of virtual reality significantly reduced heart rate (p<0.0001), respiratory rate (p<0.0001) and pain perception (p<0.0001). Workload was reduced, as evidenced by a drop in the duration of nursing care (p<0.0001) and in the number of people needed to carry out care (p<0.0001)., Conclusions: Virtual reality is a good non-pharmacological alternative for procedural pain control in a pediatric oncology unit.

Introduction: Lysinuric protein intolerance (LPI) is a rare inherited metabolic disease. It is caused by a deficiency in cationic amino acid transport caused by mutations in SLC7A7 gene., Aim: To identify the clinical, diagnostic and therapeutic features of lysnuric protein intolerance., Methods: This was a retrospective study conducted in the pediatric department of La Rabta Hospital over a period of 30 years (1992 to 2022). We included patients with clinical signs suggestive of lysinuric protein intolerance and orotic acid in the urine., Results: We enrolled seven patients. The median age at disease onset was nine months. The median age at positive diagnosis was 21 months. Growth retardation, hepatosplenomegaly and haematological abnormalities were the main features of the disease. Hyperammonia and increased urinary orotic acid were present in all patients. Molecular biology revealed the del TTCT 1471 mutation in five patients. All patients were prescribed a low protein diet and citrulline supplementation. Complications of the disease were growth retardation (n=7), psychomotor or intellectual retardation (n=5), haemophagocytic lymphohistiocytosis (n=4) and osteoporosis (n=3). After a median follow-up of 11 years, six of our patients are still alive. One patient died from acute hyperammonemic encephalopathy., Conclusion: In this paediatric series, delays in diagnosis and treatment of LPI were responsible for long-term sequelae, particularly bone and neurological. The delTTCT1471 mutation appears to be the mutation of paediatric-onset forms in Tunisia. This mutation was not associated with pulmonary involvement, which is a prognostic factor and the main cause of death.

Background: Music therapy (MT) is a non-pharmacological treatment increasingly used to reduce stress and anxiety in hospitalized children affected by cancers. The aim of this study was to evaluate the impact of MT on quality of life in children with cancer and determine its effect on cardiorespiratory rates., Methods: We conducted a quasi-experimental study between 1 April and 31 August 2021 at Bechir Hamza children's Hospital in Tunis, including children treated for cancer. The child or parent completed the PedsQL Module Cancer French version 3.0 questionnaires before and after four weekly music therapy sessions. The child's respiratory and heart rates were measured before and after each session., Results: We included 20 children whose mean age was 7 ± 4.5 years. The median value of the total questionnaire score increased from 57 [46; 70] to 72 [67; 85] ( p < 10 -3 ) noting a significant reduction in pain ( p = 0.02), nausea ( p = 0.009), and anxiety related to medical procedures ( p = 0.009) and worry about the future ( p = 0.005). We highlighted a significant decrease in respiratory and heart rate after MT ( p < 0.05)., Conclusions: MT has positive impact on quality of life in children with cancer and reduces stress by lowering their cardiorespiratory rates.

Objective: To report clinical presentation and etiologic investigation findings during pediatric noncerebral thromboembolism., Methods: Retrospective study of cases of vascular non cerebral thromboses admitted in Medicine infantile A Department of the Children's Hospital of Tunis over 08 years., Results: We confirmed 14 cases of non cerebral vascular thromboses. So that these accidents constitute 0,26 ‰ of the overall etiologies of hospitalizations in the Department. The mean age of our patients was 56±41 months [25 days-12 1/2 years]. The sex ratio was 1.8. The vascular incident was venous in 2/3 of cases. The clinical presentation was mainly painful swelling in four cases, abrupt dyspnea and hematemesis in three cases each and the incident was locally asymptomatic in four cases. Thromboses locations included deep vein thrombosis of limbs (n=6), vena cava thrombosis (n=1), portal thrombosis (n=4) and pulmonary embolism (n=3). The promoting factors identified were: tumors in seven cases, thrombophilias and catheterization in four cases each, trauma, surgery and Behçet disease in one case each. Eleven patients received anticoagulant treatment including unfractioned heparin in three cases and low molecular weight heparin in the other cases. No one died while four patients developed sequelae., Conclusion: Vascular thromboses are rare in children. They are mostly venous and diagnosed in ill children especially those having central venous catheters. Outcome of pediatric thromboembolism depends on efficient anticoagulation therapy which is well tolerated by children.