Rare Inherited Bleedig Disorders in Children at Sohag University Hospital

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-05-13

Study Completion Date

2023-05-13

Brief Summary

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The RBDs are autosomal disorders, which can be manifested in homozygotes or compound heterozygotes by a severe bleeding tendency caused by a severe deficiency or dysfunction of a clotting factor . (1) During the haemostatic response the formation of primary platelet plug limits bleeding and provides a surface for clotting factors to assemble and become activated .the initial platelet plug is stabilized by fibrin monomers ,covalently cross-linked by fXIII, forming a platelet fibrin thrombus .(2-5) Defect in platelets as well as inherited deficiencies of coagulation factors including fibrinogen ,FII,fV , FVII,FX, fXI and factor FXIII deficiencies , generally lead to lifelong bleeding disorders whose severity of bleeding symptoms is heterogeneous in platelet abnormalities but generally inversely proportional to the degree of the factor deficiency in rare bleeding disorders (RBDs). (4) the prevalence of platelet defects among the general population has not been established , whereas for RBDs it range from approximately 1in 2 million to 500,000, being higher in countries where consanguineous marriages are diffused .(6)

* As a consequence of the rarity of these deficiencies ,the type and severity of bleeding symptoms ,the underlying molecular defects and the actual management of bleeding episodes are not well established . (1) Platelet defects can alter circulating platelet numbers, function or both. These conditions are typically manifested by symptoms of excessive mucocutaneous bleeding and rapid onset, excessive bleeding following invasive surgical and dental procedures or trauma. There is considerable heterogeneity in the severity of bleeding problems associated with these defects. (7) Treatment of patients with RBDs during bleeding episodes or surgery is a challenge because of the lack of experience, paucity of data, non-availability of factor concentrates for some deficiency states and the possible occurrence of severe complications .(8) Patients who are homozygotes or compound heterozygotes for a RBD frequently present with spontaneous and or injury-related bleeding. Therapy during such episodes usually includes fresh frozen plasma or specific plasma-derived factor concentrates, which potentially carry significant risks and have adverse effects. (9,10)

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Detailed Description

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Conditions

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Rare Inherited Bleeding Disorders in Children at Sohag University Hospital

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

CROSS_SECTIONAL

Interventions

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blood laboratory investigation(coagulation profile- platelet function test)

blood laboratory investigation including ( complete blood count, coagulation profile, platelet function test, level of factor decrease

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* This study included children, aged 0-18 years, attending to pediatric department at Sohag university hospital for evaluation of bleeding symptoms, family history of a bleeding disorder and/or abnormal coagulation studies, previously diagnosed to have RBDS or recent diagnosed
* Bleeding questionnaire is done during patients' clinic visit Symptoms included in this questionnaire are epistaxis , cutaneous bleeding , minor cutaneous wound , oral cavity bleeding , hematemesis , melena and hematochezia , hematuria , tooth extraction , surgical bleeding , menorrhagia , muscle hematomas or hemoarthrosis and CNS bleeding