Presentation
presented also with hepatic manifestations. [ncbi.nlm.nih.gov]
Acronym CEMCOX1 Synonyms Cytochrome c oxidase deficiency with fatal infantile cardioencephalomyopathy Keywords Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. [uniprot.org]
The abnormal muscle and mitochondrial morphology in a variety of clinical presentations from isolated ophthalmoplegia to severe encephalopathy are also elaborated. [books.google.com]
[…] cardioencephalomyopathy due to cytochrome C oxidase deficiency Prevalence: - Inheritance: - Age of onset: Infancy, Neonatal ICD-10: G71.3 OMIM: 604377 615119 616500 616501 UMLS: C1858424 MeSH: - GARD: - MedDRA: - The documents contained in this web site are presented [orpha.net]
Entire Body System
- Epilepsy
Symptoms: Myoclonus, epilepsy, progressive ataxia, muscle weakness and degeneration, deafness, and dementia. [umdf.org]
MERRF Long Name: Myoclonic Epilepsy and Ragged-Red Fiber Disease. Symptoms: Myoclonus, epilepsy, progressive ataxia, muscle weakness and degeneration, deafness, and dementia. NARP Long Name: Neuropathy, Ataxia, and Retinitis Pigmentosa. [tsbvi.edu]
[…] amaurosis 8 [AR] Retinitis pigmentosa 12 [AR] GHR | GeneReviews | OMIM® GeneReviews | OMIM® CRTAP Osteogenesis imperfecta, type VII [AR] GHR | OMIM® CRYAB Fatal infantile hypertonic myofibrillar myopathy [AR] GeneReviews | OMIM® CSTB Progressive myoclonic epilepsy [genepeeks.com]
Rosing HS, Hopkins LC, Wallace DC, Epstein CM, Weidenheim K (1985) Maternally inherited mitochondrial myopathy and myoclonic epilepsy. Ann Neurol 17:228–261 Google Scholar 28. [link.springer.com]
Spastic Paraplegia 17, Autosomal Dominant Silver Spastic Paraplegia Syndrome Silver Syndrome Spastic Paraplegia 17 Spastic Paraplegia With Amyotrophy Of Hands And Feet SPG17 270685 Genetic Test Registry Spinal Muscular Atrophy With Progressive Myoclonic Epilepsy [ukgtn.nhs.uk]
- Feeding Difficulties
Oxidase Deficiency 1 Synonyms CYTOCHROME c OXIDASE DEFICIENCY, FATAL INFANTILE, WITH CARDIOENCEPHALOMYOPATHY Classification genetic, metabolism Phenotypes Autosomal recessive inheritance ; Basal ganglia gliosis ; Congenital onset ; Death in infancy ; Feeding [mousephenotype.org]
difficulties Hypotonia 20/12 No Proximal LL, Distal LL Yes (NGT feeds) No Yes 394 4.3 ND ND 2 13y - UK 8/52 Feeding difficulties Hypotonia 18/12 No Yes (NGT feeds) No Yes 634 3.18 ND ND 2 3 22y M UK 10/52 Feeding and Respiratory difficulties Hypotonia [ncbi.nlm.nih.gov]
Results Patients presented with subacute onset of profound hypotonia, feeding difficulties and lactic acidosis within the first months of life. Although recovery was remarkable, a mild myopathy persisted into adulthood. [jmg.bmj.com]
Encephalopathy is manifested by motor delay, mental retardation, progressive cognitive decline, seizures, and feeding difficulties. [dovepress.com]
[…] translation 15q22.31 AR LS [lxx] MTO1 614667 tRNA modification 6q13 AR Cardiomyopathy [lxxi] TRMT5 611023 mitochondrial tRNA methylation 14q23.1 AR Cardiomyopathy/exercise intolerance [lxxii] TRMT10C 615423 TRNA Methyltransferase 3q12.3 AR Hypotonia, feeding [mitomap.org]
- Death in Infancy
Affected individuals have hypotonia, weakness, and failure to thrive, resulting in death in infancy. [ncbi.nlm.nih.gov]
[…] in infancy ; Feeding difficulties in infancy ; Generalized hypotonia ; Global developmental delay ; Hypertrophic cardiomyopathy ; Increased CSF lactate ; Increased serum lactate ; Lactic acidosis ; Limited extraocular movements ; Muscular hypotonia ; [mousephenotype.org]
- Short Stature
Encephalomyopathies of later onset (childhood to adult life): various combinations of weakness, short stature, ataxia, dementia, hearing loss, sensory neuropathy, pigmentary retinopathy, and pyramidal signs. Ragged-red fibers common. [tsbvi.edu]
Endocrine abnormalities including growth retardation, short stature, or diabetes may also be evident. KSS is a rare disorder. [umdf.org]
J Pediatr. 1975; 86: 873-880 Scopus (108) PubMed Abstract Full Text PDF Google Scholar Sengers RCA Stadhouders AM Jaspar HHJ Trijbels JMF Daniëls O Cardiomyopathy and short stature associated with mitochondrial and/or lipid storage myopathy of skeletal [pedneur.com]
Mutations in COA3 cause isolated complex IV deficiency associated with neuropathy, exercise intolerance, obesity, and short stature. [mitomap.org]
Gastrointestinal
- Failure to Thrive
Affected individuals have hypotonia, weakness, and failure to thrive, resulting in death in infancy. [ncbi.nlm.nih.gov]
Symptoms associated with this form typically begin within the first few weeks of life and may include muscle weakness; heart problems; kidney dysfunction; failure to thrive ; difficulties sucking, swallowing, and/or breathing; and/or hypotonia. [rarediseases.info.nih.gov]
Symptoms: Encephalomyopathy and various manifestations, including failure to thrive, developmental delay, hyoptonia, lethargy, respiratory failure, ataxia, myoclonus. Lactic acidosis common. May cause Leigh Syndrome. [umdf.org]
Onset is in infancy or early childhood with encephalopathy and failure to thrive (usually between three months and two years of age). [bredagenetics.com]
Affected infants may also fail to gain weight at the expected rate (failure to thrive) and/or exhibit a weak cry; difficulties sucking, swallowing, and/or breathing; and/or “floppiness” or poor muscle tone (hypotonia). [rarediseases.org]
Cardiovascular
- Heart Disease
disease, but the extent of any causative effect of urate on risk of coronary heart disease is still unclear. [science.gov]
Congenital heart diseases (CHD) account for ~1% of all live births per year and the prevalence is increasing. [centogene.com]
Links Publisher Full Text Authors, ,, ,, ,,, Source MeSH Cytochrome-c Oxidase Deficiency Female Heart Diseases Humans Infant, Newborn Muscular Diseases Pub Type(s) Case Reports Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. [unboundmedicine.com]
Your recognised location is United States (US) More: Guidance Coronary heart disease Source: Finnish Medical Society Duodecim This article is freely available only to users in the UK. [evidence.nhs.uk]
Approximately one-quarter of individuals with cytochrome c oxidase deficiency have a type of heart disease that enlarges and weakens the heart muscle (hypertrophic cardiomyopathy). [medlineplus.gov]
Musculoskeletal
- Muscle Hypotonia
A mutation in the FAM36A gene, the human ortholog of COX20, impairs cytochrome c oxidase assembly and is associated with ataxia and muscle hypotonia. [mitomap.org]
Neurologic
- Seizure
Symptoms: general: mental retardation, seizures, speech delay. [umdf.org]
Symptoms: Four major forms: Fatal infantile encephalomyopathy, congenital lactic acidosis, hypotonia, dystrophic posturing, seizures, and coma. Ragged-red fibers common. [tsbvi.edu]
Seizures are typically controlled with anticonvulsants. [rarediseases.info.nih.gov]
[…] frank Leigh syndrome. 8 The phenotypic expression of seizures in Leigh syndrome represents a genetic heterogeneous population, with identical genetic mutations giving rise to seizures in some patients and not in others. [dovepress.com]
Symptoms may include loss of previously acquired motor skills, loss of appetite, vomiting, irritability, and/or seizure activity. [rarediseases.org]
- Myoclonus
Symptoms: Myoclonus, epilepsy, progressive ataxia, muscle weakness and degeneration, deafness, and dementia. NARP Long Name: Neuropathy, Ataxia, and Retinitis Pigmentosa. [tsbvi.edu]
Sasaki H, Kuzuhara S, Kanazawa I, Nakanishi T, Ogata T (1983) Myoclonus, cerebellar disorder, neuropathy, mitochondrial myopathy, and ACTH deficiency. Neurology 33:1288–1293 Google Scholar 29. [link.springer.com]
Symptoms: Myoclonus, epilepsy, progressive ataxia, muscle weakness and degeneration, deafness, and dementia. [umdf.org]
Paraplegia 17, Autosomal Dominant Silver Spastic Paraplegia Syndrome Silver Syndrome Spastic Paraplegia 17 Spastic Paraplegia With Amyotrophy Of Hands And Feet SPG17 270685 Genetic Test Registry Spinal Muscular Atrophy With Progressive Myoclonic Epilepsy Myoclonus [ukgtn.nhs.uk]
Gordon Murphy, Infant-Onset Progressive Myoclonus Epilepsy, Journal of Child Neurology, 6, 2, (134), (1991). J.M. Schröder, R. Weber, S. Weyhenmeyer, A. Lammers-Reissing, B. Meurers and H. [doi.org]
- Chorea
[…] when there are these unexplained features, especially when these occur in combination: Symptoms Encephalopathy Seizures Developmental Delay or Regression (including early and late-onset dementia) Myoclonus Movement Disorders (dystonia, dyskinesias, chorea [tsbvi.edu]
[…] mitochondrial conditions such as PDH deficiency and complex V deficiency without Leigh syndrome, as well as nonmitochondrial diseases such as carbon monoxide intoxication, infantile bilateral striatal necrosis, Wilson disease, and juvenile Huntington’s chorea [dovepress.com]
Treatment
More Symptoms of Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency type 4 » • • • Back to: « Cardioencephalomyopathy Fatal infantile Due to cytochrome c oxidase deficiency Treatments See also the following treatment articles [familydiagnosis.com]
This era was followed by improved environmental factors which operate to produce methods of medical treatment, introduction congenital cardiac malformations. [books.google.com]
It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice . [uniprot.org]
The goals of treatment are to improve symptoms and slow progression of the disease; the effectiveness of treatment varies with each individual. [3] [4] Treatment generally does not reverse any damage that has already occurred. [3] Prognosis varies depending [rarediseases.info.nih.gov]
The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment. [orpha.net]
Prognosis
Prevention - Infantile myopathy and lactic acidosis Diagnosis - Infantile myopathy and lactic acidosis Prognosis - Infantile myopathy and lactic acidosis Treatment - Infantile myopathy and lactic acidosis Resources - Infantile myopathy and lactic acidosis [checkorphan.org]
The prognosis for MELAS is poor. Typically, the age of death is between 10 to 35 years, although some patients may live longer. [umdf.org]
Diagnosing this disorder at the molecular level is a significant advance for paediatric neurologists and intensive care paediatricians, enabling them to select children with an excellent prognosis for continuing respiratory support from those with severe [jmg.bmj.com]
The recognition of this unique mitochondrial disease is very important because of its favourable prognosis compared to other forms of infantile COX deficiency. [ncbi.nlm.nih.gov]
The goals of treatment are to improve symptoms and slow progression of the disease; the effectiveness of treatment varies with each individual. [3] [4] Treatment generally does not reverse any damage that has already occurred. [3] Prognosis varies depending [rarediseases.info.nih.gov]
Etiology
Their etiology is not precisely century with the first clinical recognition of known, so we have included chapters that dis symptoms and patterns for diagnosis of car cuss many aspects of congenital cardiac mal diovascular diseases. [books.google.com]
Enormous progress has been made in the identification of genes involved in the etiology of inherited cardiovascular diseases. [centogene.com]
However, some cases do demonstrate involvement of the anterior putamen, dorsal mesencephalon, and dorsal pons. 36, 68 The etiology of the heterogeneity of MRI findings within and between specific genetic etiologies is not clear. [dovepress.com]
In one family, the genetic etiology still remains unknown. Conclusions Benign COX deficiency is better described as “Reversible Infantile Respiratory Chain Deficiency”. [ncbi.nlm.nih.gov]
These processes are conserved from yeast to humans and are known to be involved in the etiology of human COX deficiencies. [cdnsciencepub.com]
Epidemiology
Epidemiology of congenital neutropenia. Hematol. Oncol. Clin. North Am. 27, 1–17 (2013). 4. Carlsson, G. et al. Incidence of severe congenital neutropenia in Sweden and risk of evolution to myelodysplastic syndrome/leukaemia. Br. J. [nature.com]
The incidence is unknown, although the epidemiological studies of the MELAS-3243 mtDNA mutation have estimated the prevalence to be 1-16/100,000 in the adult population. There is no cure or specific treatment for MELAS. [umdf.org]
Molecular epidemiology of childhood mitochondrial encephalomyopathies in a Finnish population: sequence analysis of entire mtDNA of 17 children reveals heteroplasmic mutations in tRNAArg, tRNAGlu, and tRNALeu(UUR) genes. [ncbi.nlm.nih.gov]
Pathophysiology
Although the book’s primary focus is on practical diagnosis and management, the pathophysiology of PID is also discussed. [link.springer.com]
Pathophysiology and treatment of severe chronic neutropenia. Ann. Hematol. 72, 158–165 (1996). 78. Germeshausen, M., Ballmaier, M. & Welte, K. [nature.com]
This wide range of components of mitochondrial pathophysiology produces a spectrum of disease. [dovepress.com]
Homoplasmy for the m.14674T>C mt-tRNAGlu mutation was the rule in our patients and their asymptomatic mothers, as in the previous study; hence, the pathophysiology of this disorder appears to be unique because the reversibility is completely unexplained [ncbi.nlm.nih.gov]
Prevention
Collaborative Meta-Analysis of Randomised Trials of Antiplatelet Therapy for Prevention of Death, Myocardial Infarction, and Stroke in High Risk Patients. [books.google.es]
Prevention - Infantile myopathy and lactic acidosis Diagnosis - Infantile myopathy and lactic acidosis Prognosis - Infantile myopathy and lactic acidosis Treatment - Infantile myopathy and lactic acidosis Resources - Infantile myopathy and lactic acidosis [checkorphan.org]
Screening and prevention of colorectal cancer Source: Finnish Medical Society Duodecim This article is freely available only to users in the UK. [evidence.nhs.uk]
Early diagnosis is relevant for timely treatment and prevention of fatal complications such as arterial dissection/rupture. Congenital heart diseases (CHD) account for ~1% of all live births per year and the prevalence is increasing. [centogene.com]
Diagnosis, screening and prevention (D.C.D., K.W. and J.S.); Management (C.Z., K.W. and J.S.); Quality of life (C.Z. and K.W.); Outlook (K.W. and J.S.); Overview of the Primer (K.W.). [nature.com]