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Non-Neuropathic Heredofamilial Amyloidosis
Familial Non-Neuropathic Amyloidosis

Presentation

PDF Merrill Benson and Isis = Presentation PDF Teresa M Kruisselbrink, CGC Presentation PDF A.K. [amyloidosissupport.org]

Difficult concepts are clarified, using simple diagrams to explain the link between pathology and clinical presentation. [books.google.com]

Hereditary amyloid polyneuropathies are classified in four types based on clinical presentation. [japi.org]

Clinical description FAP is clinically heterogeneous, with the clinical presentation depending on the genotype and geographic origin. FAP usually presents as a length-dependent sensory polyneuropathy with autonomic disturbances. [orpha.net]

Diagnosis is based on clinical presentation, amyloid deposition on tissue biopsy, and the diagnostic hallmark TTR mutation on genetic testing. [ng.neurology.org]

Entire Body System

  • Wheelchair Bound

    Patients with stage I (mild) disease are ambulatory, patients with stage II (moderate) disease are ambulatory but require assistance, and patients with stage III (severe) disease are bedridden or wheelchair-bound. [ojrd.biomedcentral.com]

Workup

Imaging studies Radiolabeled P-component scanning Cardiac imaging (eg, 2-dimensional echocardiography, electrocardiography, or both; CT scanning; nuclear scintigraphy, cardiac MRI) See Workup for more detail. [emedicine.medscape.com]

Following this workup the patient should undergo a DNA analysis and tissue biopsy (Table 1 ), although the uneven distribution of amyloid fibrils may yield false-negative results. [ojrd.biomedcentral.com]

T Wave

  • T Wave Abnormality

    Other common ECG abnormalities include repolarization alterations; anterior, inferior, or lateral pseudoinfarct patterns; left anterior hemiblock; bundle branch block; ischemic-type or nonspecific T-wave abnormalities [ 74, 75 ], and rhythm disturbances [ojrd.biomedcentral.com]

Treatment

These treatments are mentioned at our meetings, on our website, and other electronic format for educational purposes. We encourage you to consult your amyloidosis professional when choosing a treatment plan. [amyloidosissupport.org]

A summary of the methods used to achieve a TTR-FAP diagnosis is presented, as well as a review of available treatments and recommendations for treatment according to disease status. [pharmaceuticalintelligence.com]

An overview of the use of high-dose melphalan with autologous stem cell transplantation for the treatment of AL amyloidosis. Bone Marrow Transplant. 2001;28:637-42. [rarediseases.org]

Management and treatment Management of FAP should be multidisciplinary, involving a neurologist, geneticist, cardiologist and liver surgeon. [orpha.net]

Prognosis

Amyloidosis associated with multiple myeloma has the poorest prognosis, and death within one year is common. All forms of renal amyloidosis have a poor prognosis, but patients may remain stable and even improve with supportive therapy. [patient.info]

Diagnosis - Hereditary ATTR amyloidosis Prognosis - Hereditary ATTR amyloidosis Not supplied. Treatment - Hereditary ATTR amyloidosis Resources - Hereditary ATTR amyloidosis [checkorphan.org]

Prognosis FAP is a severe and disabling disease. Severe cardiac, renal and ocular manifestations may develop. [orpha.net]

Diagnosis, prognosis, and therapy of transthyretin amyloidosis. J Am Coll Cardiol. 2015;66:2451-2466. Mahmoud S, Palladini G, Sanchorawala V, Wechalekar A. Update on treatment of light chain amyloidosis. Haematologica. 2014;99:209-221. [rarediseases.org]

Prognosis of patients with primary systemic amyloidosis who present with dominant neuropathy. Am J Med. 1998;104(3):232–237. 8. Koike H, Hashimoto R, Tomita M, et al. [dovepress.com]

Etiology

Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. [icd10coded.com]

Familial amyloid neuropathy: Unusual etiology in clinical practice. [neurologyindia.com]

They can also be differentiated according to their etiology, secondary (caused by another disease), or primary (cause unknown). Primary amyloidosis generally affect nerves, skin, tongue, joint, heart and liver. [ivami.com]

Cornea. 2001 Nov; 20(8): 850-2 Babalola,-O-E; Murdoch,-I-E Corneal changes of uncertain etiology in mesoendemic onchocercal communities of Northern Nigeria. [malattierare.regione.veneto.it]

Etiology FAP is transmitted as an autosomal dominant trait and is caused by mutations in the TTR gene (18q12.1). [orpha.net]

Epidemiology

[…] erythematosus 809 7 857 organic solvents and smoking 903 disease 921 5 995 interstitial disease 1019 The development of the kidney 1050 J Stewart Cameron 1059 malignancy of the kidney 1089 Seppo Vainio 1091 8 1093 parenchymal disease 1361 and J F E Mann 1399 Epidemiology [books.google.com]

Summary Epidemiology The prevalence worldwide is unknown, but the prevalence in the general population in Japan has recently been estimated at around 1 per million. [orpha.net]

Sousa A, Coelho T, Barros J, Sequeiros J: Genetic epidemiology of familial amyloidotic polyneuropathy (FAP)-type I in Póvoa do Varzim and Vila do Conde (north of Portugal). Am J Med Genet 1995;60:512-521. [karger.com]

Epidemiology Amyloidosis is a rare disease. [patient.info]

Pathophysiology

There are major introductory sections on the scientific basis of disease; and in the system-based clinical sections genetic predisposition, pathophysiology, pathogenesis, molecular mechanisms, and cell biology are covered in depth for all significant [books.google.com]

Islet amyloid and type 2 diabetes; from molecular misfolding to islet pathophysiology. Biochim Biophys Acta. 2001;1537:179-203. Sanchorawala V, Wright DG, Seldin DC, et al. [rarediseases.org]

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test The amyloidoses are a group of diseases that result from the abnormal deposition of amyloid in various tissues of the body. [mayomedicallaboratories.com]

The marked increase of refractoriness at short-width stimulus suggests a defect in sodium current which may represent an early, pre-symptomatic pathophysiological change in TTR-FAP. [journals.plos.org]

The disease has no effective therapy and the mechanisms responsible for pathophysiology are not well understood. Mutations linked to familial ALS have been helpful in exploring the processes that cause the disease. [bitanlab.neurology.ucla.edu]

Prevention

The purpose of this study is to determine if diflunisal can prevent progressive lower leg nerve damage in patients with familial amyloidosis polyneuropathy. [clinicaltrials.gov]

It gives compreensive coverage of the epidemiology, aetiology, and mechanism of disease, as well as clear, unambiguous coverage of the diagnosis, practical management and prevention of the entire spectrum of medical disorders. [books.google.com]

[…] amyloidosis hATTR amyloidosis is caused by a mutation in the transthyretin (TTR) gene that results in misfolded TTR proteins accumulating as amyloid fibrils in multiple tissues in the body, including the nerves, heart, and gastrointestinal tract. 2,4,5 Prevention [checkorphan.org]

Treatment Treatment of amyloid neuropathies is directed at both preventing further deposition of amyloid in peripheral nerves and treating painful symptoms. [hopkinsmedicine.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]

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