Routine therapy (basic, treatment for disease monitoring)
Routine (basic) therapy for disease control must comply with disease coarse severity, which is a necessary condition for reducing the need for bronchial spasm relief drugs and exacerbations prevention. If asthma coarse severity requires mandatory basic therapy, and the patient only relieves symptoms, asthma becomes uncontrolled, dangerous for mother and fetus. Appointment of basic therapy, necessary to control asthma, prevents asthma attacks and recrudescences, causing fetal hypoxia, i. e. it contributes not only to normal pregnancy course, but also to normal child’s development.
A pregnant woman with asthma is often surrounded with co-called «well-wishers» (sometimes doctors or — more often — former doctors) who try to plant fear of treatment and use of drug. Always remember — you are breathing for two people, and groundless fears are unacceptable. Do not listen to anybody. Focus only on the information obtained from a qualified expert.
Medications for Disease Control
Cromones (Intal, Tilade) are apply only at mild persistent asthma. If the drug is prescribed for the first time during pregnancy, sodium cromoglicate (Intal) is used. If the patient before pregnancy took nedocromil (Tilade) with positive effect, the treatment is continued. But if cromones do not provide adequate disease control, inhaled hormone preparations should be prescribed.
Inhaled hormones are the basis of persistent asthma routine therapy in all cases, except for mild ones. Their prescription during pregnancy has its own special aspects. If the drug is prescribed for the first time, budesonide (Pulmicort) is preferable: an analysis of 2014 pregnancies, conducted in 2000, showed no risk increase for fetus (the drug included in «B» category). Beclomethasone may also be prescribed. If before pregnancy asthma was successfully controlled by another inhalation hormone drug, this therapy may be continued. If average dosage is ineffective, doctor can add theophylline (with caution) or salmeterol drugs. Use of theophylline (both aminophylline and prolonged medications in pills, such as «Theopack») during pregnancy is considered with cautious, especially in the 3rd trimester, when theophylline excretion out of body is lower: this drug freely penetrates placenta and can cause tachycardia and rhythm disturbance of fetus and newborn.
Leukotriene antagonists may be applied with caution and only according to stringent prescription. «B» category of safety.
Drugs prescribed only individually, this rule should should especially be followed during pregnancy. The dosage for treatment required for a given asthma severity degree is determined by the doctor, which observes the patient, guided, in addition to anamnesis, by peakflowmetry data.
Peakflowmetry and Action Plan at Asthma
Bronchial asthma is one of those diseases that require patient’s ability to control his condition. Just like at hypertension a patient needs tonometer, and at diabetes (http://www.diabetes.org/) — blood glucose monitor, for self-monitoring at asthma a portable and easy-to-use device was created — PEF meter.
Recorded indicator — peak expiratory flow rate, abbreviated as PEF — allows disease state monitoring at home.
It is advised to register indicators twice a day, in the morning and evening, before applying bronchodilators, and also on symptoms onset. Data is recorded in the form of diagram, as it gives more information: not only specific numbers are important, but also the shape of the resulting graph. One of the alarming symptom are «morning gaps»: periodically registered low indications in early morning hours. «Morning gaps» are a sign of incomplete control of asthma and early symptom of impending recrudescence.
There are still no actual changes in state of health during this period, and timely undertaken measures prevent exacerbation development. Self-control with PEF meter is an essential requirement for making action plan at asthma: detailed doctor recommendations, which describe basic therapy and necessary actions in case of state of health changes.
Watch the video to create an asthma action plan:
The most important thing is to try to prevent recrudescences. Measures for limiting contacts with allergens and proper basic therapy greatly reduces risks. But recrudescences still occur, and the most common cause is ARVI.
Asthma recrudescence are dangerous not only for mother, but it also is a serious threat for fetus because of hypoxia, so treatment must not be delayed. Recrudescences treatment requires nebulizer (albuterol). Treatment effect is evaluated not only clinically, but also with PEF meter: if after treatment indicators have not reached 70% level of normal (or better for a given patient) urgent hospitalization is required. If necessary, nebulizer therapy can be combined with inhaled anticholinergic drugs, with little effect aminophylline is prescribed intravenously. To prevent fetal hypoxia oxygen therapy is applied. At severe asthma recrudescences systemic hormonal agents are used, including tabletted hormones in short course; however avoid triamcinolon drugs because of mother and fetus muscular system impact risk, and also dexamethasone and betamethasone; prednisolone and methylprednisolone drugs are preferred. Harm that hypoxia does to the child is many times greater than possible side effects.
As it was already mentioned, during pregnancy it is absolutely conterindicated to use any ephedrine drugs, as it exacerbates fetal hypoxia. Adrenaline during asthma recrudescences is also not recommended.
Having read articles in category “Asthma” you will get a lot of useful information.