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'''For patient information click [[{{PAGENAME}} (patient information)|here]]'''


{{Oliguria}}
{{Template:Oliguria}}
 
'''For patient information page click [[{{PAGENAME}} (patient information)|here]]'''


{{CMG}}
{{CMG}}
<br><br>'''To view a comprehensive algorithm of common findings of urine composition and urine output, click [[Urine#Algorithm of Common Urinary Findings|here]]'''<br>
==[[Oliguria overview|Overview]]==


{{SK}} Decreased urine output; reduced urine output
==[[Oliguria historical perspective|Historical Perspective]]==
==Overview==
'''Oliguria''' and '''anuria''' are the decreased or absent production of [[urine]], respectively.


Oliguria is defined as a urine output that is less than 1 mL/kg/h in infants, less than 0.5 mL/kg/h in children, and less than 400 mL/day (equals 17mL/hour) in adults.<ref>{{cite journal | author = Klahr S, Miller S | title = Acute oliguria. | journal = N Engl J Med | volume = 338 | issue = 10 | pages = 671-5 | year = 1998 | id = PMID 9486997}} [http://content.nejm.org/cgi/content/full/338/10/671 Free Full Text].</ref>
==[[Oliguria classification|Classification]]==


==Causes==
==[[Oliguria pathophysiology|Pathophysiology]]==


===Common Causes===
==[[Oliguria causes|Causes]]==
*[[ACE inhibitors]]
*[[Acute renal failure]]
*[[Acute tubular necrosis]]
*[[Aminoglycosides]]
*[[Analgesic nephropathy]]
*[[Capillary leak]]
*[[Dehydration]]
*[[Diarrhoea]]
*[[Diuretics]]
*[[Interstitial nephritis]]
*[[Massive bleeding]]
*[[Nephritic syndrome]]
*[[Nephrolithiasis]]
*[[Nephrotic syndrome]]
*[[Neurogenic bladder]]
*[[NSAIDs]]
*[[Posterior urethral valves]]
*[[Postpartum bleeding]]
*[[Prostate enlargement]]
*[[Renal artery thrombosis]]
*[[Sepsis]]
*[[SIADH]]
*[[Third space losses]]
*[[Urethral trauma]]


===Causes by Organ System===
==[[Oliguria differential diagnosis|Differentiating Oliguria from other Diseases]]==
{|style="width:82%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Accelerated hypertension]],  [[Acute systemic inflammation following acute myocardial infarction]],  [[Aneurysmal rupture]],  [[Aortic valve ring and critical aortic stenosis]],  [[Atheroemboli]],  [[Bleeding]],  [[Bradyarrhythmias ]],  [[Capillary leak]],  [[Cardiogenic shock]],  [[Cholesterol embolism]],  [[Complete heart block]],  [[Congenital heart disease]],  [[Dilated cardiomyopathies]],  [[Heart failure]],  [[Heat stroke]],  [[Hypovolemic shock]],  [[Malignant hypertension]],  [[myocardial depression ]],  [[myocardial shock]],  [[Myocardial stunning ]],  [[pericardial tamponade, ]],  [[Preclampsia]],  [[Renal artery stenosis]],  [[severe constrictive pericarditis ]],  [[Superior mesenteric artery occlusion]],  [[vasculitis ]]
|-
|-bgcolor="LightSteelBlue"
| '''Chemical/Poisoning'''
|bgcolor="Beige"| [[Camphor]],  [[Carbon-monoxide]]
|-
|-bgcolor="LightSteelBlue"
| '''Dental'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Dermatologic'''
|bgcolor="Beige"| [[Anaphylaxis and anaphylactoid reactions]],  [[Erythroderma]],  [[Sweating]]
|-
|-bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
|bgcolor="Beige"| [[ACE inhibitors]],  [[Amatoxins]],  [[Aminoglycosides]],  [[Amphotericin B]],  [[Analgesic nephropathy]],  [[Anthracyclines]],  [[Arsenic trioxide]],  [[Bacitracin]],  [[Bendamustine]],  [[Bleomycin]],  [[Capecitabine]],  [[Capreomycin]],  [[Carbon tetrachloride]],  [[Carboplatin]],  [[Carmustine]],  [[Cidofovir]],  [[Cisplatin]],  [[Cyclophosphamide]],  [[Cyclosporine]],  [[Cytarabine]],  [[Deferasirox]],  [[Etoposide]],  [[Exenatide]],  [[Fluconazole]],  [[Fludarabine and cladribine]],  [[Gallium nitrate]],  [[Gemcitabine]],  [[Gyromitrin]],  [[Hetastarch ]],  [[Hydroxyurea]],  [[Ifosfamide]],  [[Intravenous immune globulin]],  [[Irinotecan]],  [[Lenalidomide]],  [[Lomustine]],  [[Malignant hyperpyrexia following anesthesia]],  [[Mannitol]],  [[Melphalan]],  [[Methotrexate]],  [[Micafungin]],  [[Mithramycin]],  [[Nitrosourea compounds]],  [[NSAIDs ]],  [[Orellanine]],  [[Oxaliplatin]],  [[Para-amino salicylic acid]],  [[Pemetrexed]],  [[Pentamidine]],  [[Pentostatin]],  [[Polymyxin B]],  [[Rifampicin]],  [[Sulphinpyrazone]],  [[Sulphonamide crystalluria Cacluli]],  [[Synthetic cannabinoids ]],  [[Tacrolimus]],  [[Taxanes]],  [[Telavancin]],  [[Temozolomide]],  [[Tenofovir]],  [[Topotecan]],  [[Valacyclovir]],  [[Vancomycin]],  [[Vinca alkaloids]]
|-
|-bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Endocrine'''
|bgcolor="Beige"| [[Acute pancreatitis]],  [[Addisonian crisis]],  [[Diabetic nephropathy]],  [[Hypercalciuria]],  [[Hyperosmolar non-ketotic diabetic coma]],  [[hypoaldosteronism]],  [[Myxedema coma]],  [[SIADH]]
|-
|-bgcolor="LightSteelBlue"
| '''Environmental'''
|bgcolor="Beige"| [[Burns]],  [[Heat stroke]],  [[Insect bites]],  [[Snake bite (Viperidae)]]
|-
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
|bgcolor="Beige"| [[Bowel strangulation]],  [[Colorectal cancer]],  [[Hemorrhagic pancreatitis]],  [[Hepatic vein thrombosis]],  [[Hepatorenal syndrome]],  [[Intestinal obstruction, ]],  [[Intususception of intestine]],  [[Acute Pancreatitis]],  [[Retroperitoneal fibrosis]],  [[Third-space sequestration]],  [[Upper or Lower gastrointestinal bleeding]]
|-
|-bgcolor="LightSteelBlue"
| '''Genetic'''
|bgcolor="Beige"| [[Prune belly syndrome]],  [[Thrombotic thrombocytopenic purpura]],  [[Transient renal dysfunction of the newborn]]
|-
|-bgcolor="LightSteelBlue"
| '''Hematologic'''
|bgcolor="Beige"| [[Disseminated intravascular coagulation]],  [[Expanding hematoma]],  [[Mismatched blood transfusion]],  [[Myoglobinuria]],  [[Polycythemia]],  [[Porphyria]],  [[Renal artery thrombosis]],  [[Renal vein thrombosis]],  [[Thrombotic thrombocytopenic purpura]],  [[transfusion reactions]]
|-
|-bgcolor="LightSteelBlue"
| '''Iatrogenic'''
|bgcolor="Beige"| [[Diarrhea]],  [[external drainage]],  [[Malignant hyperpyrexia following anesthesia]],  [[Mismatched blood transfusion]],  [[Multiple organ dysfunction syndrome]],  [[Radiotherapy]],  [[sweating]],  [[Systemic inflammatory response syndrome ]],  [[Vomiting]]
|-
|-bgcolor="LightSteelBlue"
| '''Infectious Disease'''
|bgcolor="Beige"| [[Diphtheria]],  [[Dobrava-Belgrade Virus]],  [[Endometriosis]],  [[Endotoxic shock]],  [[Enteritis]],  [[Epidemic dropsy]],  [[Hantavirus]],  [[Human monocytotropic ehrlichiosis]],  [[Lassa fever]],  [[Leptospirosis]],  [[Malignant malaria]],  [[Mycobacterium tuberculosis]],  [[Neisseria gonorrhoea]],  [[Post-streptococcal glomerulonephritis]],  [[Schistosoma haematobium]],  [[septic shock ]],  [[Systemic inflammatory response syndrome ]],  [[Toxic shock syndrome]]
|-
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal/Orthopedic'''
|bgcolor="Beige"| [[Rhabdomyolysis]],  [[Cervical spine injury]],  [[Spinal cord compression]],  [[Crush syndrome]],  [[fractures]],  [[Massive bleeding]],  [[Multiple traumatic injuries]]
|-
|-bgcolor="LightSteelBlue"
| '''Neurologic'''
|bgcolor="Beige"| [[Cervical spine injury]],  [[Eclampsia]],  [[Intraventricular hemorrhage]],  [[Myelomatosis]],  [[Neurogenic bladder]],  [[neurogenic shock after central nervous system or spinal cord injury]],  [[Prolonged convulsions]],  [[Spinal cord compression]]
|-
|-bgcolor="LightSteelBlue"
| '''Nutritional/Metabolic'''
|bgcolor="Beige"| [[Adenine phosphoribosyltransferase deficiency]],  [[Bulimia]],  [[Cholesterol embolism]]
|-
|-bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"| [[Carcinoma of the uterine cervix]],  [[Cervical cancer]],  [[Endometriosis]],  [[Hydrometrocolpos]],  [[Hyperemesis gravidarum]],  [[Ovarian hyperstimulation syndrome]],  [[Perinatal asphyxia]],  [[Postpartum bleeding]],  [[Preclampsia]],  [[Toxemia of pregnancy (type of Toxemia)]],  [[Twin twin transfusion]]
|-
|-bgcolor="LightSteelBlue"
| '''Oncologic'''
|bgcolor="Beige"| [[Benign Prostate hyperplasia]],  [[Bladder cancer]],  [[Leukaemia]],  [[Pelvic tumor]],  [[Prostate cancer]],  [[Tumor lysis syndrome]]
|-
|-bgcolor="LightSteelBlue"
| '''Ophthalmologic'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Overdose/Toxicity'''
|bgcolor="Beige"| [[Crush syndrome]],  [[Drug overdose]],  [[heavy metal poisoning ]],  [[Heme pigments ]],  [[Myoglobinuria]],  [[Porphyria]],  [[Radiocontrast media ]],  [[Rhabdomyolysis]],  [[Tumor lysis syndrome]]
|-
|-bgcolor="LightSteelBlue"
| '''Psychiatric'''
|bgcolor="Beige"| [[Bulimia]]
|-
|-bgcolor="LightSteelBlue"
| '''Pulmonary'''
|bgcolor="Beige"| [[Alport syndrome]],  [[Massive pulmonary embolism,]],  [[Respiratory distress syndrome]],  [[Respiratory losses ]],  [[Severe pulmonary hypertension]],  [[Tension pneumothorax]]
|-
|-bgcolor="LightSteelBlue"
| '''Renal/Electrolyte'''
|bgcolor="Beige"| [[Acute cortical necrosis]],  [[Acute glomerulonephritis]],  [[Acute interstitial nephritis]],  [[Acute on chronic renal failure ]],  [[Acute pyelonephritis]],  [[Acute renal failure]],  [[Acute tubular necrosis]],  [[Addisonian crisis]],  [[Alport syndrome]],  [[Analgesic nephropathy]],  [[Bilateral renal vein occlusion]],  [[Burns]],  [[Chronic renal failure]],  [[End stage kidney disease]],  [[Glomerulonephritis ]],  [[Hepatic vein thrombosis]],  [[Hepatorenal syndrome]],  [[Hydronephrosis]],  [[hypoaldosteronism]],  [[Interstitial nephritis]],  [[Intrinsic glomerular disease]],  [[Nephritic syndrome]],  [[Nephrocalcinosis ]],  [[Nephrolithiasis]],  [[Nephrotic syndrome]],  [[Post-streptococcal glomerulonephritis]],  [[Prerenal failure]],  [[Renal insufficiency]],  [[Renal papillary necrosis]],  [[Renal vein thrombosis]],  [[salt-wasting nephropathies ]],  [[Sulphonamide crystalluria Cacluli]],  [[Thrombotic thrombocytopenic purpura]]
|-
|-bgcolor="LightSteelBlue"
| '''Rheumatology/Immunology/Allergy'''
|bgcolor="Beige"| [[Anaphylaxis and anaphylactoid reactions]],  [[Antiphospholipid Antibody Syndrome]],  [[Disseminated intravascular coagulation]],  [[Lichen sclerosus et atrophicus]],  [[Mismatched blood transfusion]],  [[Multiple organ dysfunction syndrome]],  [[Systemic lupus erythematosis]],  [[Systemic inflammatory response syndrome ]],  [[transfusion reactions]],  [[Transplant rejection]],  [[vasculitis ]]
|-
|-bgcolor="LightSteelBlue"
| '''Sexual'''
|bgcolor="Beige"| [[Benign Prostate hyperplasia]],  [[Hydrometrocolpos]]
|-
|-bgcolor="LightSteelBlue"
| '''Trauma'''
|bgcolor="Beige"| [[Acute blood loss]],  [[Cervical spine injury]],  [[Crush syndrome]],  [[fractures]],  [[Massive bleeding]],  [[Multiple traumatic injuries]],  [[Neurogenic bladder]],  [[Neurogenic shock after central nervous system or spinal cord injury]],  [[Ruptured hematoma]],  [[Shock]],  [[Upper or Lower gastrointestinal bleeding]]
|-
|-bgcolor="LightSteelBlue"
| '''Urologic'''
|bgcolor="Beige"| [[Benign Prostate hyperplasia]],  [[Bladder cancer]],  [[Bladder outlet obstruction]],  [[Hydronephrosis]],  [[Kidney stone]],  [[Nephrotic syndrome]],  [[Obstruction of the urinary tract]],  [[Pelvic tumor]],  [[Prostate cancer]],  [[Schistosoma haematobium]],  [[Sulphonamide crystalluria Cacluli]],  [[Ureterocele]],  [[Urethral catheterization]],  [[Urethral stricture]],  [[Urethral trauma]]
|-
|-bgcolor="LightSteelBlue"
| '''Miscellaneous'''
|bgcolor="Beige"| [[Puerperal shock]],  [[Radiotherapy]],  [[Surgery complication]]
|-
|}


===Causes in Alphabetical Order===
==[[Oliguria epidemiology and demographics|Epidemiology and Demographics]]==
{{col-begin|width=85%}}
{{col-break|width=33%}}
*[[Aneurysmal rupture]]
*[[Accelerated hypertension]]
*[[ACE inhibitors]]
*[[Acute blood loss]]
*[[Acute cortical necrosis]]
*[[Acute glomerulonephritis]]
*[[Acute interstitial nephritis]]
*[[Acute on chronic renal failure ]]
*[[Acute pancreatitis]]
*[[Acute pyelonephritis]]
*[[Acute renal failure]]
*[[Acute systemic inflammation following acute myocardial infarction]]
*[[Acute tubular necrosis]]
*[[Addisonian crisis]]
*[[Adenine phosphoribosyltransferase deficiency]]
*[[Alport syndrome]]
*[[Amatoxins]]
*[[Aminoglycosides]]
*[[Amphotericin B]]
*[[Analgesic nephropathy]]
*[[Anaphylaxis and anaphylactoid reactions]]
*[[Anthracyclines]]
*[[Antiphospholipid Antibody Syndrome]]
*[[Aortic valve ring and critical aortic stenosis]]
*[[Arsenic trioxide]]
*[[Atheroemboli]]
*[[Bacitracin]]
*[[Bendamustine]]
*[[Benign Prostate hyperplasia]]
*[[Bilateral renal vein occlusion]]
*[[Bladder cancer]]
*[[Bladder outlet obstruction]]
*[[Bleeding]]
*[[Bleomycin]]
*[[Blood transfusion and complications]]
*[[Bowel strangulation]]
*[[Bradyarrhythmias ]]
*[[Bulimia]]
*[[Burns]]
*[[Camphor]]
*[[Campylobacter infection]]
*[[Capecitabine]]
*[[Capillary leak]]
*[[Capreomycin]]
*[[Carbon tetrachloride]]
*[[Carbon-monoxide poisoning (type of Poisoning)]]
*[[Carboplatin]]
*[[Carcinoma of the uterine cervix]]
*[[Cardiogenic shock]]
*[[Carmustine]]
*[[Cervical cancer]]
*[[Cervical spine injury]]
*[[Cholesterol embolism]]
*[[Chronic renal failure]]
*[[Cidofovir]]
*[[Cirrhosis]]
*[[Cisplatin]]
*[[Clostridium tetani]]
*[[Colorectal cancer]]
*[[Complete heart block]]
*[[Congenital heart disease]]
*[[Crush syndrome]]
*[[Cyclophosphamide]]
*[[Cyclosporine]]
*[[Cytarabine]]
*[[Dalmatian hypouricemia]]
*[[Decompression sickness]]
*[[Deferasirox]]
*[[Dehyrdration]]
*[[Diabetes]]
*[[Diarrhea]]
*[[Dilated cardiomyopathies]]
*[[Diphtheria]]
*[[Disseminated intravascular coagulation]]
*[[Diuretics]]
*[[Dobrava-Belgrade Virus]]
*[[Drug overdose]]
*[[Eclampsia]]
*[[End stage kidney disease]]
*[[Endometriosis]]
*[[Endotoxic shock]]
*[[Enteritis]]
*[[Epidemic dropsy]]
*[[Eribulin]]
{{col-break|width=33%}}
*[[Erythroderma]]
*[[Ethylene glycol]]
*[[Etoposide]]
*[[Exenatide]]
*[[Expanding hematoma]]
*[[External drainage]]
*[[Fluconazole]]
*[[Fludarabine and cladribine]]
*[[Foscarnet]]
*[[Fractures]]
*[[Gallium nitrate]]
*[[Gemcitabine]]
*[[Glomerulonephritis ]]
*[[Gyromitrin]]
*[[Hantavirus]]
*[[Heart failure]]
*[[Heat stroke]]
*[[Heavy metal poisoning ]]
*[[Heme pigments ]]
*[[Hemorrhagic pancreatitis]]
*[[Hepatic vein thrombosis]]
*[[Hepatorenal syndrome]]
*[[Hetastarch ]]
*[[Human monocytotropic ehrlichiosis]]
*[[Hydrometrocolpos]]
*[[Hydronephrosis]]
*[[Hydroxyurea]]
*[[Hypercalciuria]]
*[[Hyperemesis gravidarum]]
*[[Hyperosmolar non-ketotic diabetic coma]]
*[[Hyperuricemia]]
*[[Hypoaldosteronism]]
*[[Hypovolemic shock]]
*[[Ifosfamide]]
*[[Impaired renal function]]
*[[Insect bites]]
*[[Interstitial nephritis]]
*[[Intestinal obstruction, ]]
*[[Intravenous immune globulin]]
*[[Intraventricular hemorrhage]]
*[[Intrinsic glomerular disease]]
*[[Intususception of intestine]]
*[[Irinotecan]]
*[[Kidney stone]]
*[[Lassa fever]]
*[[Lenalidomide]]
*[[Leptospirosis]]
*[[Leukaemia]]
*[[Lichen sclerosus et atrophicus]]
*[[Lomustine]]
*[[Malignant hyperpyrexia following anesthesia]]
*[[Malignant hypertension]]
*[[Malignant malaria]]
*[[Mannitol]]
*[[Marathon running]]
*[[Massive bleeding]]
*[[Massive pulmonary embolism,]]
*[[Melphalan]]
*[[Methotrexate]]
*[[Micafungin]]
*[[Mismatched blood transfusion]]
*[[Mithramycin]]
*[[Mitomycin C]]
*[[Multiple organ dysfunction syndrome]]
*[[multiple traumatic injuries]]
*[[Mycobacterium tuberculosis]]
*[[Myelomatosis]]
*[[myocardial depression ]]
*[[myocardial shock]]
*[[Myoglobinuria]]
*[[Myxedema coma]]
*[[Neisseria gonorrhoea]]
*[[Nephritic syndrome]]
*[[Nephrocalcinosis ]]
*[[Nephrolithiasis]]
*[[Nephrotic syndrome]]
*[[Nephrotoxic agents]]
*[[Neurogenic bladder]]
*[[Neurogenic shock after central nervous system or spinal cord injury]]
*[[Nitrosourea compounds]]
*[[NSAIDs ]]
*[[Obstruction of the urinary tract]]
*[[Orellanine]]
{{col-break|width=33%}}
*[[Ovarian hyperstimulation syndrome]]
*[[Oxaliplatin]]
*[[Pancreatitis, acute]]
*[[Para-amino salicylic acid]]
*[[Pelvic tumor]]
*[[Pemetrexed]]
*[[Pentamidine]]
*[[Pentostatin]]
*[[Pericardial tamponade, ]]
*[[Perinatal asphyxia]]
*[[Poisons]]
*[[Polycythemia]]
*[[Polymyxin B]]
*[[Porphyria]]
*[[Postpartum bleeding]]
*[[Post-resuscitation syndrome]]
*[[Post-streptococcal glomerulonephritis]]
*[[Preclampsia]]
*[[Prerenal failure]]
*[[Prolonged convulsions]]
*[[Prostate cancer]]
*[[Prune belly syndrome]]
*[[Puerperal shock]]
*[[Radiocontrast media ]]
*[[Radiotherapy]]
*[[Rapidly progressive glomerulonephritis]]
*[[Renal artery stenosis]]
*[[Renal artery thrombosis]]
*[[Renal insufficiency]]
*[[Renal papillary necrosis]]
*[[Renal vein thrombosis]]
*[[Respiratory distress syndrome]]
*[[Respiratory losses ]]
*[[Retroperitoneal fibrosis]]
*[[Rhabdomyolysis]]
*[[Rifampicin]]
*[[Ruptured hematoma]]
*[[Salt-wasting nephropathies ]]
*[[Schistosoma haematobium]]
*[[Septic shock ]]
*[[Severe constrictive pericarditis ]]
*[[Severe hypoperfusion]]
*[[Severe pulmonary hypertension]]
*[[Shock]]
*[[SIADH]]
*[[SLE]]
*[[Snake bite (Viperidae)]]
*[[Spinal cord compression]]
*[[ST Elevation Myocardial Infarction Complications]]
*[[Myocardial stunning ]]
*[[Sulphinpyrazone]]
*[[Sulphonamide crystalluria Cacluli]]
*[[Superior mesenteric artery occlusion]]
*[[Surgery complication]]
*[[Sweating]]
*[[Synthetic cannabinoids ]]
*[[Systemic inflammatory response syndrome ]]
*[[Tacrolimus]]
*[[Taxanes]]
*[[Telavancin]]
*[[Temozolomide]]
*[[Tenofovir]]
*[[Tension pneumothorax]]
*[[Third-space sequestration]]
*[[Thrombotic thrombocytopenic purpura]]
*[[Topotecan]]
*[[Toxemia of pregnancy (type of Toxemia)]]
*[[Toxic shock syndrome]]
*[[Transfusion reactions]]
*[[Transient renal dysfunction of the newborn]]
*[[Transplant rejection]]
*[[Trauma]]
*[[Tumor lysis syndrome]]
*[[Twin twin transfusion]]
*[[Upper or Lower gastrointestinal bleeding]]
*[[Ureterocele]]
*[[Urethral catheterization]]
*[[Urethral stricture]]
*[[Urethral trauma]]
*[[Valacyclovir]]
*[[Vancomycin]]
*[[Vasculitis ]]
*[[Vinca alkaloids]]
*[[Vomiting]]
{{col-end}}


==[[Oliguria risk factors|Risk Factors]]==


 
==[[Oliguria natural history, complications and prognosis|Natural History, Complications and Prognosis]]==
The mechanisms causing oliguria can be divided into several categories:
 
===Prerenal===
In response to [[hypoperfusion]] of the kidney (e.g. as a result of [[dehydration]] by poor oral intake, [[diarrhea]], massive [[bleeding]] or [[sepsis]])
 
===Renal===
Due to kidney damage (severe [[hypoperfusion]], [[rhabdomyolysis]], [[medication]])
 
===Postrenal===
As a consequence of obstruction of the urine flow (e.g. [[enlarged prostate]], tumor compression urinary outflow, expanding [[hematoma]] or fluid collection)
 
The decreased production of urine may be a sign of [[dehydration]], [[renal failure]] or [[urinary obstruction]]/[[urinary retention]].
 
===Postoperative Oliguria===
Patients usually have a decrease in urine output after a major operation that may be a normal physiological response to:
* Fluid/blood loss – decreased glomerular filtration rate secondary to [[hypovolemia]] and/or [[hypotension]]
* Response of adrenal cortex to stress -increase in [[aldosterone]] (Na and water retention) and [[antidiuretic hormone]] (ADH) release
 
===Oliguria in Infants===
Oliguria, when defined as less than 1 mL/kg/h, in [[infant]]s is not considered to be a reliable sign of renal failure.<ref>{{cite journal | author = Arant B | title = Postnatal development of renal function during the first year of life. | journal = Pediatr Nephrol | volume = 1 | issue = 3 | pages = 308-13 | year = 1987 | id = PMID 3153294}}</ref>==Risk Factors==
Patients having any of the conditions mentioned in the causes are at risk of oliguria.
 
==Natural History, Complications and Prognosis==
Although a significant decrease in urine output may indicate a serious, even life-threatening condition, adequate urine output can be restored with prompt medical treatment.


==Diagnosis==
==Diagnosis==
===History and Symptoms===
[[Oliguria history and symptoms| History and Symptoms]] | [[Oliguria physical examination | Physical Examination]] | [[Oliguria laboratory findings|Laboratory Findings]] | [[Oliguria CT|CT]] | [[Oliguria other imaging findings|Other Imaging Findings]] | [[Oliguria other diagnostic studies|Other Diagnostic Studies]]
History of
* Time pattern
**When did this begin?
**Did it occur suddenly?
**Has it rapidly become worse?
* Quality
**How much does the patient drink each day?
**Does drinking more increase the daily urine output?
**How much urine does the patient produce each day?
**What color is the [[urine]]?
* Aggravating factors
**Has there been fever?
**Has there been [[diarrhea]]?
**Has there been [[vomiting]]? With or without [[nausea]]?
**Is thirst decreased?
**What other symptoms does the patient have?
* Other
**What medications does the patient take?
**Does the patient have any [[allergies]]?
**Does the patient have access to adequate fluids?
* Medical history
**Has the patient had any recent injuries such as [[burns]]?
**Has the patient been sick?
**Does the patient have a history of a problem with the [[kidney]]s or [[bladder]]?
 
===Laboratory Findings===
* Blood studies to monitor [[electrolyte]]s and kidney function.
* Urine tests, including tests for [[infection]].


==Treatment==
==Treatment==
===Medical Therapy===
[[Oliguria medical therapy|Medical Therapy]] |  [[Oliguria surgery|Surgery]] | [[Oliguria primary prevention|Primary Prevention]] | [[Oliguria secondary prevention|Secondary Prevention]] | [[Oliguria cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Oliguria future or investigational therapies|Future or Investigational Therapies]]
It mainly depends on the cause:
====Home Care====
The patient should follow prescribed fluid regimens and measure urine output as directed.


===Primary Prevention===
==Case Studies==
Prevention depends on the underlying cause.
[[Oliguria case study one|Case#1]]
 
==References==
{{reflist|2}}
 
[[de:Oligurie]]
[[es:Oliguria]]
[[fr:Oligurie]]
[[it:Oliguria]]
[[ja:乏尿]]
[[pt:Oligúria]]
[[sk:Anúria]]
[[sl:Oligurija]]
[[zh:寡尿]]


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Latest revision as of 13:49, 11 June 2015

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

To view a comprehensive algorithm of common findings of urine composition and urine output, click here

Overview

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Differentiating Oliguria from other Diseases

Epidemiology and Demographics

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Natural History, Complications and Prognosis

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History and Symptoms | Physical Examination | Laboratory Findings | CT | Other Imaging Findings | Other Diagnostic Studies

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