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The Info List - Complication (medicine)


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Complication, in medicine, is an unfavorable evolution or consequence of a disease, a health condition or a therapy. The disease can become worse in its severity or show a higher number of signs, symptoms or new pathological changes, become widespread throughout the body or affect other organ systems. A new disease may also appear as a complication to a previous existing disease. A medical treatment, such as drugs or surgery may produce adverse effects or produce new health problem(s) by itself. Therefore, a complication may be iatrogenic (i.e. literally brought forth by the physician). Medical knowledge about a disease, procedure or treatment usually entails a list of the most common complications, so that they can be foreseen, prevented or recognized more easily and speedily. Depending on the degree of vulnerability, susceptibility, age, health status, immune system condition, etc. complications may arise more easily. Complications affect adversely the prognosis of a disease. Non-invasive and minimally invasive medical procedures usually favor fewer complications in comparison to invasive ones. Disorders that are concomitant but are not caused by the other disorder are comorbidities. This conceptual dividing line is sometimes blurred by the complexity of the causation or the lack of definite information about it. The terms sequela and complication are often synonymous, although complication connotes that the resultant condition complicates the management of the causative condition (makes it more complex and challenging).

Contents

1 Examples of complications 2 Causes 3 See also 4 References 5 Further reading

Examples of complications[edit]

Generalized septicemia (infection of the blood) may occur as a complication of an infected wound or abscess. Allergic shock can be a reaction to several kinds of anesthetics, as a complication in a surgery. Fractured ribs and sternum may be a complication of cardiopulmonary resuscitation attempts in people suffering severe osteoporosis. Puerperal fever
Puerperal fever
may be a common complication of childbirth and used to kill a large proportion of mothers before the advent of antisepsis and antibiotics. Diabetes mellitus
Diabetes mellitus
may present a series of complications in an advanced or more severe stage, such as gangrene, diabetic foot, blindness, infections, etc. Thrombosis
Thrombosis
in the heart or brain, causing stroke or acute myocardial infarction can be complications of blood coagulation disorders, phlebitis (inflammation of the veins), endocarditis and artificial heart valves Eczema vaccinatum
Eczema vaccinatum
is a rare and severe complication of smallpox vaccination in people with eczema. Hepatotoxic dementia is a possible complication of hepatitis and liver cirrhosis. Mental retardation
Mental retardation
is a common complication of untreated hydrocephalus. A paradoxical reaction to a drug; that is, a reaction that is the opposite to the intended purpose of the drug. An example is benzodiazepines, a class of psychoactive drugs considered minor tranquilizers with varying hypnotic, sedative, anxiolytic, anticonvulsant, and muscle relaxant effects; paradoxically they may also create hyperactivity, anxiety, convulsions etc. in susceptible individuals.[1] Erectile dysfunction
Erectile dysfunction
and urinary incontinence which may follow prostatectomy.[2][3] Suicide
Suicide
is a common complication of many disorders and conditions that consistently affect a person's life negatively, such as major depressive disorder, schizophrenia, or substance abuse. Complications of outpatient drugs are very common and many patients experience worry or discomfort due to them.[4]

Causes[edit] There may be financial pressures which act in opposition to preventing complications. A United States study found that hospitals make more money per patient when patients have complications.[5] See also[edit]

Adverse effect Classification of Pharmaco-Therapeutic Referrals Diagnosis Iatrogenesis Late effect Nocebo Placebo Prognosis Sequela

References[edit]

^ "Paradoxical Reactions to Benzodiazepines".  ^ Mayo Clinic Staff. "Open prostatectomy risks". Mayo Clinic. Retrieved 31 October 2014.  ^ Silva, LA; Andriolo, RB; Atallah, ÁN; da Silva, EM (Sep 27, 2014). " Surgery
Surgery
for stress urinary incontinence due to presumed sphincter deficiency after prostate surgery". The Cochrane Database of Systematic Reviews. 9: CD008306. doi:10.1002/14651858.CD008306.pub3. PMID 25261861.  ^ Gandhi TK, Burstin HR, Cook EF, Puopolo AL, Haas JS, Brennan TA, Bates DW (March 2000). "Drug complications in outpatients". J Gen Intern Med. 15 (3): 149–54. PMC 1495358 . PMID 10718894.  access-date= requires url= (help) ^ Eappen, S.; Lane, B. H.; Rosenberg, B.; Lipsitz, S. A.; Sadoff, D.; Matheson, D.; Berry, W. R.; Lester, M.; Gawande, A. A. (2013). "Relationship Between Occurrence of Surgical Complications and Hospital Finances". JAMA. 309 (15): 1599–1606. doi:10.1001/jama.2013.2773. PMID 23592104. 

Further reading[edit]

Coventry, Brendon J. Surgery: Complications, Risks and Consequences. Book series, seven volumes. Springer (2014). Mulholland, Michael W. & Doherty, Gerard M. Complications in Surgery. Lippincott Williams and Wilkins (2006). Gawande, Atul. Complications: A Surgeon's Notes on an Imperfect Science.

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