Causes of Peripheral Hypotonia in Assiut University Children Hospital

Study Results

Results pending

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Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

35 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-04-30

Study Completion Date

2021-04-30

Brief Summary

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Hypotonia is a common manifestation in infants and children.It includes several clinical conditions that do not always lead to a favorable outcome .Thus, it is important to make early diagnosis to decide on the treatment and follow up of these cases. Hypotonia is a state of low muscle tone (The amount of tension or resistance to stretch on a muscle), often pointing to reduced muscle strength.

Hypotonia is not a specific medical disorder, but a potential manifestation of several diseases and disorders, that affect motor nerve control by the brain or muscle strength.

Detailed Description

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Criteria of peripheral hypotonia are : absent or depressed tendon reflexes , failure of movements on postural reflexes ,fasciculation with or without muscle atrophy .A sequential scheme of localization would begin with the anterior horn cell (AHC), and progress to the peripheral nerve , neuromuscular junction (NMJ) and the muscle itself.

Electroneuromyography (ENMG) provides useful information on many neuromuscular diseases. In addition nerve conduction study is also helpful to identify the most common peripheral disorders causing hypotonia in these children.

The initial approach to hypotonia is to determine whether the problem is due to central or peripheral origin.This is of crucial importance when forming a plan for diagnostic investigations and management.

Many muscle diseases share common clinical features that may lead to laboratory diagnosis by using enzyme levels that are affected in some of these diseases(e.g creatine phosphokinase ). However the use of serum creatine phosphokinase level may not possibly differentiate between various muscle diseases . The selective involvement of certain muscles is a key to the diagnosis of muscle disease\].

High resolution ultrasound allows visualization of the muscle, nerve and adjacent structures and can offer real-time information regarding neuromuscular diseases. It can be used as a helping tool to electrodiagnosis with estimation of the serum creatine phosphokinase levels of these cases.

The aim of this work :is to give a profile of the causes of peripheral hypotonia in infant and children attending Assiut University Children Hospital during one year of the study .

Besides full clinical assessment of the cases including birth history , developmental history, age, sex, and duration of illness as well as age of onset of observed weakness will be recorded. Full neurological examination will be done in all cases .Cases will have serum creatine phosphokinase levels, electromyography and nerve conduction studies done as indicated.Cases will also have real time muscle ultrasonography done.

* Our results will be compared with the results obtained by other investigators .
* Statistical analysis : correlation studies will be done between the various methods of investigations used .Chi2 test will be used to indicate the prevalence of the various causes of hypotonia found in the study .

Conditions

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Infant Floppy

Study Design

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Observational Model Type

OTHER

Study Time Perspective

CROSS_SECTIONAL

Eligibility Criteria

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Inclusion Criteria

* all infant and children with peripheral hypotonia

Exclusion Criteria

* central causes of hypotonia

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Responsible Party

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Azza Abouzeid Zaki

principle investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Central Contacts

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Safia Eldeebb

Role: CONTACT

Phone: 0882060380

Email: [email protected]

Eman Fatth_alla

Role: CONTACT

Phone: 01115191158

Email: [email protected]

References

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Helmy H, Aboumousa A, Abdelmagied A, Alsayyad A, Nasr SA. The role of muscle ultrasound in helping the clinical diagnosis of muscle diseases. Egypt J Neurol Psychiatr Neurosurg. 2018;54(1):29. doi: 10.1186/s41983-018-0039-6. Epub 2018 Nov 1.

Reference Type BACKGROUND

PMID: 30459502 (View on PubMed)

Cetin E, Cuisset JM, Tiffreau V, Vallee L, Hurtevent JF, Thevenon A. The value of electromyography in the aetiological diagnosis of hypotonia in infants and toddlers. Ann Phys Rehabil Med. 2009 Sep-Oct;52(7-8):546-55. doi: 10.1016/j.rehab.2009.06.004. Epub 2009 Aug 18. English, French.

Reference Type RESULT

PMID: 19713169 (View on PubMed)

Other Identifiers

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COPHIAUCH

Identifier Type: -

Identifier Source: org_study_id