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Arch Pediatr ; 29(6): 415-423, 2022 Aug.
Article in English | MEDLINE | ID: covidwho-1866883

ABSTRACT

BACKGROUND: COVID-19 and lysosomal storage disorders (LSDs) share a common immunological pathway as they cause the release of cytokines in a similar pattern. We aimed to evaluate the immunity status and reveal the course of COVID-19 in patients with LSDs. RESULTS: The median age of 110 patients with LSDs was 129 months (range: 21-655), and all but one patient with mucopolysaccharidosis (MPS) type III were regularly receiving enzyme replacement therapy (ERT). In 53.6% (n = 56) of the patients (23 patients with Gaucher disease [10 type III, 13 type I], 26 patients with MPS [8 type VI, 11 type IVA, 1 type III, 3 type II, and 3 type I], and 7 patients with Pompe disease), an abnormality in at least one of the autoimmunity or immunodeficiency parameters was reported. Furthermore, 12 (57%) of 21 Gaucher cases (7 type III, 5 type I), 18 (40.9%) of 44 MPS cases (9 type IVA, 5 type VI, 1 type I, 2 type II, and 1 type III), and six (66%) of nine Pompe cases were reported to involve abnormalities in at least one of the parameters related to immunodeficiency. Immunoglobulin (Ig) M and IgA levels were reported to be lower, and there were abnormalities in the lymphocyte counts and subgroups in the MPS group. ANA was reported to be positive in one patient with Gaucher type III, anti-DNA in two patients with Gaucher type I and one patient with MPS type VI, antithyroglobulin in two patients with Gaucher type I, anti-TPO in one patient with Gaucher type I, TRAB in one patient with Gaucher type I, antiphospholipid IgM in three patients with Gaucher type III and one patient with Gaucher type I, anticardiolipin IgM in one patient with Gaucher type I, one patient with Gaucher type III, and one patient with MPS type II. However, no clinical presentation was consistent with the laboratory results except for one patient with Gaucher type I disease with Hashimoto thyroiditis. Two of the four patients who survived the COVID-19 infection with mild symptoms had a diagnosis of Gaucher type I, and no abnormality was detected in their laboratory tests. The other two patients had a diagnosis of MPS types VI and II. Immune dysfunction was detected in the patient with a diagnosis of MPS type II. Four of our patients were discharged without any sequelae. CONCLUSION: Problems with immunity did not cause any noticeable clinical results. Being well protected by reducing social contact might have played a role. However, we believe that it should be borne in mind that cardiac and pulmonary involvement, as well as immune dysfunction in LSDs, may cause an increased need for intensive care because of secondary bacterial infections.


Subject(s)
COVID-19 , Glycogen Storage Disease Type II , Lysosomal Storage Diseases , COVID-19/epidemiology , Enzyme Replacement Therapy/methods , Glycogen Storage Disease Type II/diagnosis , Glycogen Storage Disease Type II/drug therapy , Humans , Immunoglobulin M/therapeutic use , Lysosomal Storage Diseases/diagnosis , Lysosomal Storage Diseases/drug therapy , Lysosomal Storage Diseases/genetics , Turkey/epidemiology
2.
J Pediatr Endocrinol Metab ; 34(5): 539-545, 2021 May 26.
Article in English | MEDLINE | ID: covidwho-1170017

ABSTRACT

OBJECTIVES: Lysosomal storage diseases (LSD) constitute an important group of metabolic diseases, consisting of approximately 60 disorders. In some types of lysosomal diseases, enzyme replacement therapy (ERT) is administered intravenously in weekly or biweekly doses. Unfortunately, scheduled ERT during COVID-19 was disrupted. We considered the possibility of adverse outcomes caused by the disruption in the treatment of patients with lysosomal storage disorders. METHODS: During the COVID-19 pandemic, we conducted a questionnaire that was delivered via Internet to assess how this vulnerable patient group was affected by the pandemic in terms of their access to treatment and their disease-related symptoms. RESULTS: The questionnaire was filled out by 75 patients. There were 35 patients whose treatment dose was missed because of COVID-19. The most common reason for skipping treatment was not wanting to go to the hospital for fear of contracting COVID-19. These 35 patients missed a median of four doses of ERT (range: 1-16 dosages). Twenty-one patients (60%) claimed that they were affected physically by not taking ERT (20 mucopolysaccaridoses, 1 Fabry disease), whereas 14 (40%) did not. CONCLUSIONS: Interruption of ERT during the COVID-19 pandemic may have significant consequences. It may be beneficial to switch to home treatment or reserve dedicated facilities. With proper planning and management, the treatment disruptions of this particular group can be avoided.


Subject(s)
COVID-19/epidemiology , Enzyme Replacement Therapy , Lysosomal Storage Diseases/drug therapy , SARS-CoV-2 , Adolescent , Adult , Child , Child, Preschool , Cost of Illness , Cross-Sectional Studies , Female , Humans , Male , Middle Aged , Surveys and Questionnaires , Young Adult
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