Disease Information for Infantile mitochondrial myopathy/Cox defect
Complex IV deficiency, COX Cytochrome C oxidase deficiency, COX Cytochrome C oxidase defic, COX DEFICIENCY, CYTOCHROME C OXIDASE DEFIC, Cytochrome C oxidase deficien, Cytochrome c Oxidase Deficiencies, Cytochrome C oxidase deficiency, Cytochrome C oxidase deficiency (disorder), CYTOCHROME OXIDASE DEFIC, Cytochrome Oxidase Deficiencies, Cytochrome Oxidase Deficiency, DEFIC CYTOCHROME OXIDASE C, Deficiencies Cytochrome c Oxidase, Deficiencies Cytochrome Oxidase, Deficiency Cytochrome c Oxidase, Deficiency Cytochrome Oxidase, Deficiency of cytochrome a3, Deficiency of cytochrome aa3, Deficiency of cytochrome c oxidase, Deficiency of cytochrome c oxidase (disorder), Deficiency of cytochrome oxidase, Infantile, MITOCHONDRIAL COMPLEX IV DEFICIENCY, MTCO1*COX6480A, Oxidase Deficiencies Cytochrome, Oxidase Deficiencies Cytochrome c, Oxidase Deficiency Cytochrome, Oxidase Deficiency Cytochrome c
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Complex IV deficiency, COX Cytochrome C oxidase deficiency, COX Cytochrome... (more)
This is Type II of IV COX Defects; Variant of COX mitochondrial defect/deficiency; mild to moderate;Cytochrome C Oxidase Deficiency [Lysozyme Cytochrome Oxidase Deficiency]; Cox deficiency; deficiency of mitochondrial respiratory chain complex IV; Complex IV deficiency disorder; divisions into A) Benign infantile mitochondrial myopathy Cox Deficiency B)De toni-Fanconi-debre C)Leighs subacute necrotizing encephalopathy)D)French Canadian type COX deficiency----------------------- [Emedicine/MedlinePlus 2005]-----------
Cause of acidosis in kids, stroke like syndromes complex 1, and complex 4, flavinoid defect; Clinical spectrum myopathy, heart muscle dis, renal disease; lactic acidosis; CNS mental motor developmental delays; autosomal recessive with sporatic mutations which may be dominant; mitochondrial DNA may be site of mutation but not usual; maternal inheritance then expected with milder forms;
Unclassified Cytochrome C Oxidase Deficiency diagnosis
will have myopathy, lactic acidosis, cardiac and mental retardation likely----------[NIH/OMIM 2005]---------------
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This is Type II of IV COX Defects; Variant of COX mitochondrial defect/defi... (more) (edit)
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Demographics & Risk Factors[next]
- Population Group
- Population/Pediatrics population
- Sex & Age Groups
- Population/Child
- Population/Child-Infant Only
- Population/Children/all
- Population/Infant
- Population Group
Clinical Manifestations[previous][top][next]
- Typical Clinical Presentation
- Presentation/Non diabetic ketoacidosis kids/infants
- Presentation/Progressive CNS degen/acidosis/myopathy/liver/child
- Presentation/Progressive dementia/child/infant
- Stroke syndrome kids/metabolic causes
- Disease Progression
- Course/Progressive
- Signs & Symptoms
- Child
- Infant
- Anorexia/Decreased appetite
- Constipation in Children
- Vomiting
- Vomiting in infancy
- Vomiting recurrent
- Hypotonia
- Muscle tone/decreased
- Muscle weakness
- Ataxia/Staggering Gait
- Delayed walking milestone/child
- Hyporeflexia/DTRs decreased
- Infant Seizures
- Irritability/short tempered
- Limb ataxia/clumsiness child
- Neonatal hypotonia/floppy-baby sign
- Newborn/Infant jittery/jitters
- Progressive neurological disorder/signs
- Seizures
- Seizures/Children/recurrent
- Seizures/newborn
- Weakness/Diffuse motor loss
- Cyanosis Child
- Pseudoparalysis/infants/Melalgia sign
- Snoring
- Episodic symptoms/events
- Infant peevish/irritable/fretful
- Infants sicker than older children
- Spells/Episodes of weakness
- Weakness
- Typical Clinical Presentation
Laboratory Tests[previous][top][next]
- Abnormal Lab Findings (Non Measured)
- Abnormal Lab Findings - Increased
Associated Diseases & Rule outs[previous][top][next]
- Rule Outs
- Associated Disease & Complications
- Acidosis, metabolic
- Apnea
- Benign infantile mitochondrial myopathy COX defect
- Coma in Children
- Coma/Unconscious
- Cytochrome C Oxidase Deficiency/Mitochondrial
- Developmental neurologic degeneration/child
- Encephalomyelopathy/necrotizing/subacute/Leigh
- Infantile mitochondrial myopathy/COX defect
- Lactic acidosis
- Mitochondrial myopathy
- Myopathy/secondary/nonspecific
- Strabismus
- Cerebral Dysgenesis
- Childhood Seizures
- Lactic acidosis kids/primary
Disease Mechanism & Classification[previous][top][next]
- Class
- CLASS/Pediatric disorders (ex)
- CLASS/Striated muscle disorder (ex)
- Pathophysiology
- Pathophysiology/Mitochondrial oxidative respiratory chain defect
- Pathophysiology/Muscle/Heart/Liver/Brain congenital
- Pathophysiology/Metabolic myopathy (ex)
- Pathophysiology/Mitochondrial encephalomyopathy
- Pathophysiology/Mitochondrial lesion
- Process
- PROCESS/Autosomal Recessive Incomplete Penetrance
- PROCESS/Autosomal recessive disorder (ex)
- PROCESS/Enzyme defect/Metabolic disorder (ex)
- PROCESS/Metabolic/storage disorder (category)
- Class
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- Synonym
- Synonym/Complex IV Respiratory chain defect
- Synonym/COX Deficiency
- Synonym/Cox Deficiency French-Canadian type/Var
- Synonym/Cytochrome C oxidase deficiency (COX) variant
- Synonym/Lysosomal Cytochome Oxidase deficiency
- Synonym/Lysozymal flavinoid Oxidative Deficiency
- Synonym/Respiratory chain disorders (Complex I,II,II,IV,V)
- Synonym
External Links Related to Infantile mitochondrial myopathy/Cox defect[previous][top]
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