Tag Archives: congenital

New Book about a Family with Myotonic Dystrophy

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There are not many books about myotonic dystrophy. There is a fictional series about a skater that has myotonic dystrophy. I wrote a short book about the hopes and aspirations of my son “The boy who was President”. Now comes a great biography about a family with Myotonic Dystrophy. A must read for all with the disease. Here’s a short introduction:

As a young girl, my constant goal was to help my brother, Dustin, walk. Dustin’s limits were hard to gauge because he constantly surpassed expectations. He was born with congenital myotonic dystrophy and expected to die, then to live three months, then three years. Instead, he gained strength and capabilities until age 13, when he had a simple cold and just did not wake up from his nap. His body became too much for the largest muscle in his body, his heart.

While Dustin was alive, I threw quarters in wells, prayed every night, and practiced with him every day after he had surgery and got corrective braces. I would stretch my brother’s legs, rotate his ankles, do resistance exercises and help him practice standing. At age 12, I thought willpower was so strong that, through perseverance and dedication, I could will my brother to walk.

Three years older than my brother, I grew up doing adult caretaking tasks. Through the years, I would change thousands of diapers, brush Dustin’s teeth, lift him into bed, administer nebulizer treatments, clean his feeding tube, watch him when both my parents had to work, bathe him, unload his wheelchair from the bus and play with him. Most things I did for my brother were helpful, but with my conceptions about willpower and Dustin walking, I pushed my brother past his comfort level more than once and caused more pain than progress. For me, a healthy sibling, willpower was a tool to push past obstacles. However, the same view I took of my young healthy body proved detrimental to my brother’s and caused him pain.

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Autism Spectrum Disorder in Congential and Childhood Myotonic Dystrophy

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Issues and problems with children that have congenital or juvenile myotonic dystrophy are many and hard to pin down. One of the most asked questions is about Autism and do children with Congenital Myotonic Dystrophy have Autism or Autism spectrum disorder. The basic criteria more are defined below for Autism like Features are before 3 years old the following 3 features are delayed or not present:

(A) social interaction,
(B) language as used in social communication
(C) symbolic or imaginative play

The most advanced countries in the world studying these diseases are in the Scandinavian countries. Sweden has taken the lead in publishing a number of English studies that have helped understand this condition.  Dr, Eckstrom and others have done a fine job in the area of pulling more information out of surveys and studies to assist us with the understanding of this disease. This article is going to summarize the results of a study that was finished in 2008. There is a lot of information here so it will be a longer post:

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Congenital Myotonic Dystrophy

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Congenital Myotonic Dystrophy is present at the birth of the Infant. A mother may notice excessive amniotic fluid or polyhydraminos. The mother may also notice less fetal movements than is normal.  The baby is born sometimes prematurely. It is a disease that will cause multiple symptoms in the baby. The link to the baby is the mother in almost all cases. For instance, out of 118 cases only 2 cases had any incident that the father was the carrier. However, Paternal transmission (by the father) is documented. (Paternal Transmission of Congenital Myotonic Dystrophy J Med Genet 1994;31518-520)  It seems as though the mother somehow causes the disease in the severe form. Some researchers postulate that there does not seem to be a genetic reason for the severe problems that may be caused by the disorder. It may be that the Myotonic Dystrophy in the mother somehow causes the severe congenital form.
In Sweden there is identified two types of congenital myotonic dystrophy, severe and moderate. In the severe type there is a life threatening condition at birth. This seems to be associated with male children more than female. With the moderate type of congenital myotonic dystrophy there is no life threatening condition birth. This information is contained in several studies as well as confirmed by by Ekstrom at a recent conference. The severe type will generally have more symptoms and more severe symptoms of the disease.
Congential as well as juvenile and adolenscent myotonic dystrophy are hard to diagnosis and identify. Part of the reason for this is that the medical profession does not recongnize this disease as a separate and distinct disease. They symtoms of congenital myotonic dystrophy are separate and distinct from mytonic dystrophy type 1. Thus, its hard for parents to identify the disease that their child may have. For example mental retardation and autism spectrum disorder are not symtoms of myotonic dystrophy. But they are symtoms of the congential or juvenile forms of the disease.

effects of Congenital Myotonic Dystrophy

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Anesthesia in Congenital Myotonic Dystrophy Case Report

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Total intravenous anesthesia in a 10-month-old patient with congenital myotonic dystrophy undergoing endoscopic third ventriculostomy -A case report-

Abstract

Myotonic dystrophy is a rare genetic disorder characterized by muscle atrophy and weakness. Surgical treatment of this condition poses various problems for the anesthesiologist. We describe the anesthetic management of a 10-month-old infant with congenital myotonic dystrophy, who was scheduled for endoscopic third ventriculostomy under general anesthesia. Anesthesia was induced with thiopental sodium, fentanyl, and vecuronium, and thereafter maintained via continuous infusion of propofol and remifentanil. The train-of-four ratio was monitored throughout the operation, and muscle relaxation was reversed with pyridostigmine and glycopyrrolate at the end of the procedure. We show that total intravenous anesthesia using propofol and remifentanil is a satisfactory anesthetic technique in very young patients with congenital myotonic dystrophy.

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General Information on DM1

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This is a diagram or the major effects of Myotonic Dystrophy on the Human. Click to enlarge

The Blog. You’ve reached this site as you may be the one of nearly one million people affected by Myotonic Dystrophy  Worldwide. This site aggregates and publishes all information on Myotonic Dystrophy Myotonic Dystrophy is a disease that is genetically based and inherited from one generation to the next. One out of two children of a person  with myotonic dystrophy will most likely have  the disease. Unlike most diseases, the symptoms that a person with this disease varies from person to person. Some people are just mildly affected others are severely affected. This makes it hard to tell you exactly how the disease will affect a particular person.

Four treatments that have potential have now surfaced about Myotonic Dystrophy. These are three approved Drugs by FDA and “off label use” may assist some people with DM1. (As always check with your Doctor) . The other is a drug that is not FDA approved in the USA for human use. Three off label uses have showed promise in mice studies but as yet there is no human data… In January of 2017 Ionis Pharmaceuticals stopped the trials of its DMPK-2.5Rx drug as it failed to show promise in the human trials. There are a few drugs that are in development to treat myotonic dystrophy with various approaches such as small molecules but not available now. There have been some studies in mice or human cells of currently approved FDA drugs but no human studies. A few are listed below.

===> Furamidine Study in mice and cells with Erythromycin
====>Colchicine (Colcrys, Mitigare), Fall 2019 a study in mice and human cells

====> Erythromycin study in cells and mice successfully pushes back disease in Mice
====> Actinomycin D study in cells and mice successfully pushes back disease in Mice
====> Phenylbutazone Ketoprofen  Study in cells and mice pushes back disease in mice. NSAID type drugs. Ketoprofen would be strongly preferred. However, ketoprofen is no longer manufactured.

NOTE: These potential treatments are just that potential. NO studies in humans have been completed and reported. However, more and more information is available and here at this site you will find all that is published. You and your doctor should discuss these if you feel it warranted.

Myotonic dystrophy is a rare disease with an incidence of about one in 8000 in European and North American Populations. The incidence in Japan is approximately 1 in 20,000. In Africa and China the incidence is much lower.  The incidence of the congenital form of myotonic dystrophy  is much lower with an incidence of 1/100,000. A more recent study by Campbell in Canada put the incidence of the congenital form at 1/47,000 That means that most doctors will not have a patient with the disease in their practice. Thus, many people are turning to organizations like the Myotonic Dystrophy Foundation for help and assistance.

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