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Asthma
By
Thomas A. Kruzel, N. D.
It is estimated that asthma affects between
5% to 6% of the US population, which translates
to between 12 to 15 million cases per year.
This reflects an increase from 34.7 in 1982
to 49.4 cases per 1000 in 1992
(Merc). Asthma most commonly occurs in
children under age 10 years and in males more
often than females. By approximately age 30,
the ratio of males to females
(2:1) equalizes (Pizzorno
& Murray).
In the U.S. children under the age of 18 affected
by asthma in 1982 was roughly 4%, but by 1994,
this rate had increased to almost 7%, or approximately
five million people under the age of 18. During
this period the age-adjusted prevalence rate
of asthma for people younger than 18 years old
increased by 72%, thus making asthma the most
prevalent chronic disease among children, and
the number one reason for school absences
(US Health & Human Svsc). The over
all increase in asthmatic disease among the
U S population between 1982 and 1994 was 61%
(CDC). Mortality rates
from asthma related causes are estimated to
be about 5,000 per year which represents an
increase of 45.3% since 1985 (Amer
Lung Assn).
Asthma can be broken down into 2 categories,
extrinsic and intrinsic.
Extrinsic or atopic asthma
is characterized by increases in mucus production
and serum IgE levels and is associated with
allergies. These allergies may be to pollens,
grasses, environmental pollutants, foods and
food additives, exogenous hormone use, second
hand cigarette smoke or chemical exposure .
Intrinsic asthma is characterized
by a reaction of the bronchial airways in association
with exposure to chemicals, exercise, emotional
upset or an infection (Derimanov GS; Oppenheimer
J; Pizzorno, Murray; Merc).
Asthma attacks can vary in intensity and severity
and often present with spasm of the bronchial
tubes, excessive secretion of mucus, difficulty
moving air in and out of the lungs and anxiety
and fearfulness. At their worst stage, they
can progress to status asthmaticus, a sudden
shutting down of the airways, which is a potentially
life threatening condition.
Morbidity
Morbidity caused by asthma can be measured by
assessing the impact of the disease upon quality
of life and the amount of hospitalizations required
as a result of the illness. Hospital discharge
rates for asthma related disease are higher
for children than adults and for blacks more
so than whites, within the 5 to 34 years of
age range. The impact on lost time in school
for children, loss of productive work time for
adults, costs of disability, loss of self esteem,
delayed development, associated depression,
and related conditions is virtually immeasurable.
Asthma unnecessarily reduces the quality of
life for many people.
Physicians in clini cal practice have noted
an increase in other diseases such as chronic
fatigue, heart disease, allergic rhinitis, depression
and an inability to perform activities of daily
living such as caring for one's self or being
a productive member of society. A considerable
number of these cases have an asthmatic component
to them, either as a primary cause or a concomitant
affliction. Additionally, diagnosis such as
Attention Deficit Disorder (ADD) and Attention
Deficit Hyperactive Disorder (ADHD) are found
more often in patients that have asthmatic and
allergic reactions.
Incidences
Despite the recent advances in diagnostic and
pharmacological medicine, the incidence of asthma
has continued to rise. Increases are seen among
all age groups, but is predominantly increased
in children, adolescents, women, elderly and
the socio-economically poor. It is presently
estimated that, not only in the United States,
but worldwide, between 1% and 20% of children
and young adults have asthma (Lundb¨ack
B, Hales S et al) . The asthma prevalence rates
for black Americans in 1992 was estimated to
be just under 6%, while for whites it was 5%.
The reasons for a higher percentage of blacks
is thought to be due to higher reporting rates.
The difference in prevalence among races may
be related to differences in such things as
socioeconomic status, living conditions, diet,
and allergen exposures (US HHS).
In the elderly, one of the fastest growing populations
in America, bronchial asthma is now increasingly
associated with significant morbidity and mortality.
This is largely due to the condition being poorly
recognized by patients and physicians and thus,
sub-optimally treated (Parameswaran K et al).
Heretofore it has generally been assumed that
geriatric patients are not affected by asthmatic
progenitors. That the number of elderly patients
is increasing suggests that the causes of asthma
are increasing.
In general, these groups have the fewest resources,
require longer care and management and thus
require the greater amounts of medical subsidy.
Studies show that patients are largely ignorant
of the causes and course of asthma. In part
this is due to a paucity of education programs
as well as a differing of opinions as to what
constitutes the course of the disease among
the various health care disciplines. It is also
a reflection of a medical system which has not
encouraged physician participation in patient
education as to the nature of the disease. To
date, political as well as economic factors
influence education programs as to the causes
of asthma, especially as they relate to environmental
and food allergies. Most likely to be affected
by the lack of education programs are those
with poorer education and reading skills. Inadequate
literacy is found commonly and strongly correlates
with poorer knowledge of asthma and improper
medication use (Williams MV et al). The combination
of illiteracy, lack of education by primary
care givers and an abdication of self-responsibility
for self care translates to poorer compliance,
higher relapse rates and greater morbidity.
Patient relapse rates following treatment for
acute asthma is high, despite previous hospitalization
(Emerman CL; Cydulka RK). They are high in part
due to poor patient follow up, but primarily
because of lower access to primary care physicians
(Emerman CL; Cydulka RK) as well as difficulties
with obtaining and using medications. Many of
those afflicted are sent to specialists who
focus on the specific disease entity rather
than the whole person. While specialists treating
asthma patients are needed, in conventional
medicine, access is limited and generally these
physicians do not focus on the many aspects
which comprise the patients illness. Because
of this, patients often fall through the "cracks"
in the medical system because no one doctor
is focusing on all of the factors which comprise
the disease of asthma. In a considerable number
of cases, access to even a primary care physician
is limited if the person belongs to a HMO or
other manage care system. Additionally, socio-economically
disadvantaged patients, who do well during hospitalization,
often will not follow up for long term care
because of financial barriers (Kolbe
J et al).
Quality
of life
Asthma can adversely affect the physical, psychological,
and social structure of persons afflicted. Females,
persons from lower socioeconomic groups, and
ethnic minorities experience poorer quality
of life as a result of their asthma symptoms
(Schmier JK et al).
Early asthma onset in children has been shown
to have negative influences on behavioral adjustment
in part related to the asthma's severity. The
more severe the illness, the greater the adverse
effects. Children who have an earlier onset
of asthma (less than 3 years of age) show significantly
more behavior problems at age 4 than children
who developed asthma later (Mrazek
DA et al). When compared to asthma free
children of comparable ages, incidences of depression,
wakefulness and fearfulness are greater.
In teens afflicted with asthma, there is a lower
perception of well being, a greater number of
physical and emotional symptoms and a greater
limitation in activities of daily living, increased
wheezing and shortness of breath when compared
to their well cohorts (Forrest CB et al, Wade
S et al) . This translates to greater morbidity
and negative social behaviors during a time
when social development and integration is occurring.
In general, the severity of emotional and psychological
problems and an inability to integrate into
society is higher in asthmatic children and
teens. Not uncommonly, the severity of asthma
in children is often perceived to be of greater
consequence by their parents than by themselves
(Wamboldt MZ et al).
While caretakers of asthmatic children often
possess considerable knowledge about asthma,
the children themselves scored lower on hypothetical
problem solving involving asthma care, indicating
that a potentially dangerous or maladaptive
action may follow in the event of an asthma
attack (Wade S et al).
As a group, children and teens generally have
limited asthma problem-solving skills, possess
multiple asthma managers, have greater childhood
adjustment problems, and experience higher levels
of life stress. This pattern should raise significant
concerns for this group as a whole as it indicates
an increased risk for problems related to adherence
to asthma management regimens and for asthma
morbidity. Decreases in normal development during
the "formative years" usually translates
to a stifling of growth and development and
late entry into adulthood.
In long-term studies of chronic asthma patients
a continued decline in physical function is
seen. A 15 year follow up study of chronic asthma
patients demonstrated a gradual decline in respiratory
capacity when related to the general population
(Lange P et al). It is well documented that
in smokers, a group who demonstrates similar
characteristics to asthmatics, that lung function
decreases the longer the exposure. The costs
associated with disease from smoking are well
documented.
Occupational induced asthma makes up a large
proportion of new cases in previously well adults,
with the incidence of clinically significant,
new-onset asthma being 1.3/1,000, and increasing
to 3.7/1,000 when cases with reactivation of
previously quiescent asthma were included (Milton
DK et al ) . Occupational induced asthma shows
an increased risk of disability and less likelihood
of being unable to return to meaningful employment
in severe cases. (Gassert TH et al) Women were
the most likely to be afflicted. This occurred
despite removal from the offending environment
which suggests that the illness continues to
progress once the cause is removed.
Asthma Mortality
In 1995, more than 5000 Americans died from
asthma. Deaths from asthma have been increasing
in the United States as well as worldwide. A
review of asthma related deaths showed the most
common characteristics of deceased to be inner-city
residence, single, black males, age 15 to 54
years old with a history of asthma and no other
significant medical condition (Weitzman JB et
al). Exclusive of this group, in people 5 to
34 years old, asthma is most accurately identified
as a cause of death. Asthma mortality rates
have risen markedly since 1979 (blacks 132%
and whites 179%), but the specific causes of
the increase have eluded researchers.
Worldwide, asthma mortality is increasing in
many, but not all, parts of the world. Asthma
mortality rates in people between the ages of
5 and 34 are found to be higher in Australia,
England and Wales, West Germany, Japan, Canada,
and the U.S.. Of these industrialized countries,
the mortality rate is the lowest in the U.S..
Costs
The direct costs of asthma include the costs
of asthma management programs, inpatient and
outpatient medical care, physician services,
emergency visits, ambulance use, drugs, short-term
and long-term treatment complications, medical
devices, nursing services, allergy testing,
and research. Some of the indirect costs of
asthma include absence from work and school,
travel, time waiting for care and, at its most
extreme, death. Costs most difficult to measure
are the fear and anxiety, pain, suffering, delayed
social development and decreased potential resulting
from school absenteeism (US HHS).
It is estimated that Americans will spend 14.5
billion dollars per year on health care for
the control of asthma symptoms alone. This is
an increase over the 6.2 billion dollars spent
in 1990 and these costs can be expected to rise
as the number of cases increases and the population
ages. Indirect financial loss to individuals
affected by asthma are estimated to be about
1 billion dollars in lost wages for parents
who stayed home with sick children, 1 billion
dollars in medication, and 850 million dollars
in lost wages of adult sufferers. Typical patient
charges for asthma related hospitalization are
estimated to be $7,255.00 per year with most
of the costs being absorbed through federal
and state government related programs (Ill
State report).
Most of the money being spent is in hospitals
and emergency rooms where services are expensive
and do not address long-term reduction of symptoms,
disease management or preventive measures. Appropriate
management of asthmatic patients has shown to
decrease the overall cost of the disease to
society. Its most important benefit would be
the improved health and well being of people
with asthma and their families.
Clinical experience suggests that even the most
advanced medications now available will loose
their effectiveness over time and that new treatment
regimens must be created to take their place.
Thus, a considerable portion of the 14.5 billion
dollars spent per year are channeled into research
on asthma. While research is important, most
of it focuses on new drug development which
do little except to palliate symptoms while
leaving the underlying disease intact.
Holistic medicine practitioners focus on the
underlying cause of the disease rather than
just controlling symptoms, therefore allowing
for the containment of symptoms and the eventual
cure of the asthmatic patient. The long-term
benefits both economically, socially as well
as to the patient should be obvious.
Integrated
Care
What constitutes integrated care for the asthma
patient is open to some debate. Management of
asthma related disease has largely fallen on
federal, state and local programs which coordinate
the numerous agencies concerned with it. But
it is the responsibility of society as a whole
as well as government agencies to deal with
the multifactorial causes. To date, considerable
funding has gone into federal, state and local
programs for the management of asthma. Yet despite
this, the levels and morbidity and mortality
associated with this disease have increased.
Many patient education programs are carried
out at the health institution level while very
little occurs through local communities, or
most effectively, one-on-one as the patient
is being treated. While the majority of physicians
seeing asthma patients in one study were general
practice physicians (Davis, PA
et al), and physicians in general are
the patient's primary source of information,
fewer patients receive information and education
from their doctors. This may take the form of
a discussion during examination or summary of
findings, or through literature, graphics, informational
videos or computer programs.
In general practice characteristics between
MD and non-MD asthma care providers differ very
little with regard to the treatment of asthma.
Both groups identify dietary and nutritional
approaches as their most prevalent and useful
asthma treatment option (Davis, PA et al). However,
non-MD's such as naturopathic physicians are
more likely to implement dietary changes than
MD's, in part due to better training in clinical
nutrition.
Many suggested treatment guidelines indicate
that patient education is one of the main components
of asthma management (Boulet LP). In the experience
of many physicians, patients who become actively
involved in their own care generally do better
with their respective illnesses.
The most effective programs are recognized to
be those which integrate asthma care and provide
patient education aimed at improving self-management
skills. Improving self-management skills involves
the patient in their own care rather than making
them dependent upon outside sources. This has
been found to be particularly effective when
offered to asthmatic patients with high morbidity.
Because of the advances in knowledge regarding
asthma, and the experience of many physicians
who utilize an integrated approach to the treatment
of asthma "there appears to be no reason
that informed physicians cannot play an important
role in reversing recent trends of rising asthma
morbidity and mortality (Keenan JM)."
Alternative
& Complementary Medicine Therapeutics
What is termed today alternative and complementary
medicine has had a long and distinguished track
record in the treatment of asthma. That the
natural therapeutic regimens utilized are not
recognized by conventional medicine is not a
function of their inefficiency or efficacy,
but rather its dependence upon diagnostic procedures,
surgery and pharmaceuticals. Many of the pharmaceutical
agents of today are derivatives of plant medicines
still utilized by many medical practitioners.
In fact, in many countries, herbal and homeopathic
medicines are the medicines of choice for the
treatment of asthma. Additionally, that conventional
medicine continues to express a concern about
the safety and effectiveness of alternative
and complementary medicine therapies, is more
a function of its lack of education and clinical
experience as to their efficacy.
A considerable number of patients treat asthma
with home medicines, many of which have been
shown to be effective for short term management
(Hung OL et al; Blanc PD et al; Bielory L &
Lupoli K). Women are more likely to utilize
natural treatments, and among ethnic groups,
Asians have the highest utilization rate of
herbal and natural therapies (Hung OL et al).
Not surprisingly, incidences of asthma among
Asian Americans is one of the lowest.
Results of studies (Bielory L
& Lupoli K; Francis, D) show positive
effects of herbal medicines on broncho-dilation,
pulmonary function tests, and antagonism of
asthma mediators such as histamine and platelet
activating factor, corticosteroid levels, and
clearance of mucus. The biochemical pathways
elucidated by drug research are affected by
herbal medicines in many of the same ways but
without the side effects. A review study of
botanical medicines concluded that many medicinal
plants provided relief of symptoms equal to
drug therapy (Bielory L &
Lupoli K). Most importantly, the costs
associated with herbal medicines are considerably
less than prescription drug regimens.
Food allergy has also been related to the development
of asthma as well as its treatment
(Marz). Foods such as wheat, dairy, eggs,
chocolate, shellfish and those high in preservatives
and dyes are found to be common inducers of
asthma, especially in children. Other foods
have a positive effect upon asthmatic patients,
lessening symptoms by acting to stabilize mast
cells and histamine production. Additionally,
Vitamins B12 and B6 therapy (Simon,
SW; Collip et al) has proven effective
in controlling symptoms and reducing corticosteriod
usage.
Other vitamin and mineral therapies have been
shown to be effective in the prevention and
treatment of asthma. Among them are beta carotene,
quercetin, selenium, vitamin E, vitamin C, magnesium
and Omega 3/6 fatty acids (Marz,
Pizzorno & Murray). When used in
conjunction with a healthy diet, vitamin and
mineral therapy often will provide considerable
symptom relief and improve over-all health.
Hypnotherapy has also been shown to be of benefit
in helping students with asthma, in part because
it focuses upon the whole person rather than
just the disease entity (Watters KH), while
working with them to better self manage symptoms.
The homeopathic treatment of asthma has provided
excellent relief from acute as well as chronic
symptomology. The clinical experience of practitioners
as reported in numerous case studies shows the
short as well as long term effectiveness of
this therapy. Although homeopathic medicine
is less well known in the U.S., it is very popular
throughout the world, especially Europe. Approximately
40% of French physicians and 20% of German physicians
prescribe homeopathic medicines. Over 40% of
British physicians refer patients to homeopaths,
and almost 50% of Dutch physicians consider
these natural medicines to be effective (Ullman).
New research on the homeopathic treatment of
asthma published in The Lancet (December 10,
1994) suggests that relief is in sight for asthma
sufferers. The study conducted by professors
at the University of Glasgow indicates that
those patients given an exceedingly small homeopathic
dose of whatever substance to which they are
most allergic can provide significant relief
within the first week of treatment. Termed "homeopathic
immunotherapy", this unique method of individualizing
medicines showed that over 80% of patients given
a homeopathic remedy improved, while only 38%
of patients given a placebo experienced a similar
degree of relief (Reilly D). When compared to
placebo, the effects of the homeopathic medicines
are found to be statistically significant (Reilly
D, et al). Similar findings that homeopathy
has a significant effect on patient's health
were reported in a recent meta-analysis of homeopathic
studies (Linde K. ).
Additional data provided by Dutch researchers,
none of whom were homeopaths, reviewed 107 studies
in the British Medical Journal, 81 of which
showed that homeopathic medicines worked. While
most of the experiments had one or more flaws,
22 studies were considered of a high caliber,
and 15 of them showed efficacy of the homeopathic
medicines. The researchers concluded, "The
amount of positive evidence came as a surprise
to us. The evidence presented in this review
would probably be sufficient for establishing
homeopathy as a regular treatment for certain
indications (Kleinjen, J, at al)."
Prevention is often over looked by a conventional
medicine system which focuses primarily on disease
management. That the focus of treatment of asthma
is on management and not prevention, has placed
a greater burden upon an already over worked
medical system and will continue to do so as
the number of cases rise. Gassert and associates
concluded that, "greater efforts at primary
and secondary prevention should lessen the burden
of long-term illness and unemployment due to
occupational asthma (Gassert
TH et al)." Similar efforts would
show effects with environmentally, allergic
and chemically induced asthma as well.
Preventive measures in conventional medicine
are largely lacking due to a philosophy of disease
management and symptom control. Yet, public
health measures aimed at improving sanitation
are largely preventive measures and have significantly
improved the quality and length of life. A new
emphasis on prevention and health enhancement,
an approach largely promoted by complementary
and alternative medical practitioners, would
produce significant savings for the treatment
of asthma.
Clinically the greater majority of asthma cases
can be treated with natural medicines. A common
therapeutic regimen includes diet and nutrition,
exercise, botanical medicines, homeopathic medicines,
acupuncture, vitamin therapy, hydrotherapy,
education as to the nature of the disease and
preventive measures. Natural medicine therapeutics
are more adaptable to individual patient requirements,
and for that reason, much more effective. Relatively
few cases need actual drug therapy, and those
who are in an "asthmatic crises" also
respond well to natural therapeutics. However,
that modern drug therapy is available for the
few cases unresponsive to natural treatments
provides optimal medical care for asthmatic
patients.
That the public utilizes natural therapies at
a higher rate than ever before lends credence
to its safety and efficacy. It is not unusual,
and in fact is often the rule, that patients
will turn to "home remedies" for the
treatment of asthma before seeking medical attention.
Many of these therapies such as exposure to
onions and garlic, increasing hydrochloric acid
and giving red pepper have been proven to be
effective when subjected to clinical trials
(Dorsch W et al; Bray, G; Pizzorno
& Murray; Lundberg, J et al).
Research Funding
The
types of studies which congress could fund are
many and varied. In the holistic model, placebo
controlled, double blind studies are often difficult
to conduct because of the eclectic nature of
natural therapies. Rather than focusing upon
a single biochemical pathway, natural medicines
work by utilizing many of the inherent physiological
defense mechanisms the human body has evolved.
Natural therapies actually lend themselves better
to outcomes studies, performed on patients who
act as their own controls. These types of studies,
using existing therapeutic protocols, begin
to show results sooner than conventional models.
Outcome studies would not only focus on patient
care at the clinic level, but would also be
more cost effective because they focus on patient
care rather than drug response. Additionally,
outcomes protocols are more adaptable to individualization
than double blind placebo controlled studies,
thus allowing for greater patient compliance.
A paradigm shift regarding how we view human
disease and the outcome of therapy is occurring.
The scientific model developed during the early
part of this century has served us well and
will continue to do so for selected protocols.
However, like all "systems" conventional
medical therapy has its limitations, and in
the case of asthma therapeutics, seems to have
reached its most effective level. This is because,
despite the large increases in research funding,
the incidences of asthma and asthma related
disease have continued to rise.
The holistic model which views the person as
a complete being rather than as a single disease
entity, allows for a wide range of therapeutic
possibilities. A review of the validity and
efficacy of alternative medicine therapeutics,
which includes naturopathic medicine, concluded
that it is "such an important factor in
health care in the Netherlands, both from a
qualitative and quantitative point of view,
that government policy cannot disregard it.
(Oojendijk W, et al) ." The experience
of governmental agencies, insurance companies
and patients are that natural therapies are
more cost effective and provide greater patient
benefit (Bergner). In
general, patients see their naturopathic physicians
less often per year than their MD counterparts
while not adding to costs of insurance premiums
(Bergner, Hawaii). A study published in the
Journal of the American Medical Association
suggests that medical costs could be reduced
by 20% through elimination of unnecessary medical
procedures (Gleicher, N).
This alone would save approximately 2.9 billion
dollars per year and it is estimated that the
savings would be greater if alternative therapies
and a holistic and preventive approach were
taken.
The complexities of asthma require a long term
solution which can only be achieved by building
coalitions and partnerships among the many health
care disciplines and federal and state agencies.
Support for local programs and multidisciplinary
health care settings should be available from
federal organizations such the National Institutes
of Health, the Centers for Disease Control and
Prevention, Food and Drug Administration and
the Environmental Protection Agency. Both national
and state agencies can help support local coalitions
with start-up grants, educational support, and
funding for scientific research and outcomes
studies for alternative therapies. Support from
these agencies must also begin to include alternative
and complementary medical therapies and practitioners
in order to stem the growing tide of asthma
morbidity and mortality.
Public and patient education regarding asthma,
and what constitutes its causes and treatments
have been shown to reduce its morbidity and
mortality. Ensuring that people with asthma
are knowledgeable about their disease and empowered
to demand appropriate management options is
a role of the public health system as well as
individual; health care practitioners.
Natural medicine protocols for the treatment
of asthma as well as other diseases have long
been a part of the American health care system.
The effectiveness of natural therapeutics has
been proven both clinically and in studies and
therefore have much to contribute to the health
care of the US..
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