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![Page 1: Constipation in the elderly All backed up and no where to go Annette T. Carron, DO Director Geriatrics and Palliative Care Botsford Hospital.](https://reader034.fdocuments.in/reader034/viewer/2022042717/56649cf55503460f949c3851/html5/thumbnails/1.jpg)
Constipation in the elderlyAll backed up and no where to go
Annette T. Carron, DO
Director Geriatrics and Palliative Care
Botsford Hospital
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Pathophysiology of constipation, with focus on
changes with aging Assessment and diagnosis of constipation Standard of care treatment for constipation Constipation and survey implications
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Feeling of constipation is defined differently by different people
Defined by self-report or objective assessment-based
Clinical – finding fecal loading in the rectum on exam and/or colonic fecal loading on xray
Subtype – rectal outlet delay Feeling of anal blockage at least a quarter of the
time and prolonged defecation (>10 min to complete bowel movement) or need for self-digitization on any occasion
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*Criteria fulfilled for at least 3 months, with symptom onset at least 6 months prior to diagnosis.IBS = irritable bowel syndrome.Longstreth GF, et al. Gastroenterology. 2006;130:1480-1491.
During at least 25% of defecations
Straining Lumpy or
Hard Stools
Sensation of Incomplete Evacuation
Manual Maneuvers to Facilitate Defecations
<3 Defecations
per Week
Sensation of Anorectal
Obstruction/Blockage
• Loose stools are rarely present without the use of laxatives
• There are insufficient criteria for IBS
• Chronic constipation must include 2 or more of the following: (self-report)
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• North America: estimates range from 2% to 28%; 15% ≈ 63 million North Americans fulfill criteria for constipation– Variations due to
• Criteria/symptoms definitions used (multiple definitions)
• Survey collection methods
• Self-report vs diagnosis
• Worldwide– Similar rates in developed and undeveloped countries
– 14%-30% (Spain, Sweden, Australia, China)Higgins PD, et al. Am J Gastroenterol. 2004;99:750-759. Pare P, et al. Am J Gastroenterol. 2001;96:3130-3137. Garrigues V, et al. Am J Epidemiol. 2004;159:520-526. Walter S, et al. Scand J Gastroenterol. 2002;37:911-916. Chiarelli P, et al. Int Urogynecol J. 2000;11:71-78. Cheng C, et al. Aliment Pharmacol Ther. 2003;18:319-326.
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Pre
vale
nce
(%
)
Age (Years)
0
2
4
6
8
10
12
Study 2†
N=NR
<18
18-4
4
45-6
4
65-7
4≥7
5
Study 1*N=42,375
Age (Years)
<40
40-4
9
50-5
9
60-6
9
70-7
9≥8
0
Pre
vale
nce
(%
)
0
2
4
6
8
10
12
*Harari D, et al. Population: NHIS 1987; criteria: self-report; †Johanson JF, et al. Population: NHIS 1983-1987; criteria: self-report.NHIS = National Health Interview Survey.Higgins PDR, et al. Am J Gastroenterol. 2004;99:750-759.
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• Unable to report bowel-related symptoms
• Have regular bowel movements despite have rectal or colonic fecal impaction
• Have impaired rectal sensation and inhibited urge to go and so be unaware of rectal stool impaction
• Nonspecific symptoms associated with colonic fecal impaction (e.g., delirium, anorexia, functional decline)
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• Collagen deposition in the left side of the colon increases
• Total number of neurons in the myenteric plexus is decreased
• Decrease in internal sphincter tone• Decline in external anal sphincter and pelvic
muscle strength• Reduction in rectal motility with normal
aging
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Primary • Slow-transit
constipation• Dyssynergic defecation• Normal-transit
constipation– IBS-C
Secondary• Lifestyle• Organic GI disease• Medications• Metabolic• Postsurgical• Psychological• Neurological• Systemic disorders
IBS-C = irritable bowel syndrome with a predominant bowel complaint of constipation
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CLASS CLASS EXAMPLES EXAMPLES
PRESCRIPTION DRUGS
Opiates
Anticholinergic agents
Tricyclic antidepressants
Calcium channel blockers
Anti-Parkinsonian drugs
Sympathomimetics
Antipsychotics
Diuretics
Antihistamines
Morphine
Benztropine, oxybutynin
Amitriptyline > nortriptyline
Verapamil hydrochloride
Amantadine hydrochloride
Albuterol
Haloperidol, risperidone
Furosemide
Diphenhydramine
NONPRESCRIPTION DRUGS
Antacids, especially calcium-containing
Calcium supplements
Iron supplements
Antidiarrheal agents
Nonsteroidal anti-inflammatory agents Loperamide, attapulgite
Ibuprofen
Locke GR III, et al. Gastroenterology. 2000;119:1766-1778. *This is not a complete list
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Causes of Constipation in the Elderly
Aluminum hydroxide–containing antacids
Hypothyroidism
Anticholinergics Immobility/Inactivity
Calcium channel blockers Iron supplements
Dehydration Low-fiber and carbohydrate diet
Diabetes mellitus Narcotics
Diuretics Parkinson’s disease
Hypercalcemia/hypokalemia Stroke
De Lillo AR, et al. Am J Gastroenterol. 2000;95:901-905.
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
Approximately half of residents in nursing homes have constipation
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• Fecal impaction– Identified in up to 40% of elderly adults hospitalized in the United
Kingdom
• Rare complications– Obstipation: obstruction with stool
– Urinary and fecal incontinence
– Stercoral ulceration: rectal “pressure” ulcers from impacted stool and obstipation
– Megacolon: dilation of the colon that is not caused by obstruction (rectosigmoid diameter >6.5 cm)
– Bowel perforation (new onset or from above etiologies)
Read NW, et al. J Clin Gastroenterol. 1995;20:61-70. De Lillo AR, et al. Am J Gastroenterol. 2000;95:901-905.Read NW, et al. Gastroenterology. 1985;89:959-966.
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• Fecal incontinence• Fecal impaction• Urinary retention• Sigmoid volvulus• Rectal prolapse• Diverticular disease• Impaired quality of life• Agitation in dementia patients
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• Direct costs (typically individual or third party)– Physician visits
– Diagnostic tests
– Medications
• Indirect costs (individual or societal)– Reduced productivity
– Lost wages
– Impaired QOL
QOL = quality of life.
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• In 2 large cross-sectional surveys of community-dwelling older adult patients:– Laxatives were third and fourth most frequently
used nonprescription drugs
• In cross-sectional survey of 4136 participants– Stimulant and bulking laxatives were most
commonly used
Ruby CM, et al. Am J Geriatr Pharmacother. 2003;1:11-17.Passmore AP. Pharmacoeconomics. 1995;7:14-24.
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Rao SSC, et al. Gastroenterology. 2005;128:A-123.
Dyssynergia (n = 76)Slow transit (n = 38)Controls (n = 54)
* P < 0.05 vs controls
0
20
40
60
80
100
Physicalfunctioning
Role physical Bodily pain General health
Su
bsc
ale
Sco
re (
Mea
n ±
S.E
.M.)
* * * *
* ** *
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• Impact of chronic constipation on quality of life in Olmsted County, Minnesota residents aged ≥ 65 years
• Lower score indicates worse quality of life
100
80
60
40
20
0
Mea
n M
OS
Sco
re
Physical functioning
Health perception
Mental health
Social functioning
Role functioning
Bodily pain
No GI symptoms Constipation
Talley NJ. Rev Gastroenterol Disord. 2004;4(suppl 2):S3-S10.
MOS = medical outcomes survey
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• In another study, only 13% of individuals with constipation reported having <3 BMs per week
Pare P, et al. Am J Gastroenterol. 2001;96:3130-3137. Stewart WF, et al. Am J Gastroenterol. 1999;94:3530-3540.
Pat
ien
ts (
%)
8172
54
39 3728
36
0
10
20
30
40
50
60
70
80
90
Straining Hard orlumpystools
Incompleteemptying
Stoolcannot
bepassed
Abdominalfullness or
bloating
<3 BMs per
week
Need topress on
anus
Physicians think: <3 BMs per week
Patient Descriptions
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Recurrent abdominal pain/ discomfort with:
• Improvement with defecation
• Onset associated with change in frequency of stool
• Onset associated with change in form (appearance) of stool
Must include ≥ 2 of:• Hard or lumpy stool• Straining• Incomplete evacuation• Sensation of anorectal
obstruction/blockage • Manual maneuvers • < 3 defecations/week
• Pain not usually present
Symptoms for 3 months, onset ≥ 6 months
IBS-CChronic Constipation
Longstreth GF, et al. Gastroenterology. 2006;130:1480-1491.
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Nyam DCNK, et al. Dis Colon Rectum. 1997;40:273-279.
N=1009
0
10
20
30
40
50
60
70
Normaltransit +
defecatory function(n=597)
Defecatory disorder(n=249)
Slow transit(n=131)
Slow transit + defecatory
disorder(n=32)
Pre
vale
nce
(%
)
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• Slow-transit constipation – “colonic inertia” – Slower than normal movement of contents from the
proximal to the distal colon and rectum
• Dyssynergic defecation (pelvic floor dysfunction) – Inability or difficulty with evacuation of stool from
the rectum in patients with normal or slowed colonic transit
• IBS-C– Abdominal pain or discomfort associated with normal-
or slow-transit constipation or pelvic floor dysfunction
Locke GR III, et al. Gastroenterology. 2000;119:1761-1778.Rao SSC. Gastroenterol Clin North Am. 2003;32:659-683.
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Subtypes of Constipation
IBS with constipation
Slow-transit constipation
Defecatory dysfunction
Normal-transit constipation
Intestinal transit and stool frequency are within normal range The most common subtype
Bosshard W, et al. Drugs Aging. 2004;21:911-930.
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Subtypes of Constipation
IBS with constipation
Slow-transitconstipation
Defecatory dysfunction
Normal-transit constipation
Characterized by decreased intestinal transit time
Neurohormonal control abnormal? Decreased nitric oxide production, impaired gastrocolic response, alteration of
neuropeptides (VIP, substance P), decreased interstitial cells of Cajal
Bosshard W, et al. Drugs Aging. 2004;21:911-930. VIP = vasoactive intestinal polypeptide
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Subtypes of Constipation
IBS with constipation
Defecatory dysfunction
Normal-transit constipation
Pelvic floor dyssynergia, megarectum, rectocele, perineal descentMore frequent in older women – childbirth trauma
Pathogenesis may be multifactorial – structural problem
Bosshard W, et al. Drugs Aging. 2004;21:911-930.
Slow-transitconstipation
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Subtypes of Constipation
Bosshard W, et al. Drugs Aging. 2004;21:911-930.Hadley SK, et al. Am Fam Physician. 2005;72:2501-2506.
IBS with constipation
Defecatory dysfunction
Normal-transit constipation
Brain-gut axis is impaired? Stress, visceral hypersensitivity, abnormal brain activation, altered colonic motility, inflammation, bradykinins, adenosine, and 5-hydroxytryptamine
Slow-transitconstipation
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• Weight loss
• Rectal bleeding
• Occult blood in stool
• Older age of onset/new onset
• Vomiting
• Family history of colon cancer
• Family history of inflammatory bowel disease
Lembo A, et al. N Engl J Med. 2003;349:1360-1368.Brandt LJ, et al. Am J Gastroenterol. 2005;100(Suppl 1):S5-21.
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• Among chronic constipation patients without alarm symptoms or signs, routine use of diagnostic tests is not recommended– The routine approach to a patient with symptoms of
chronic constipation without alarm signs or symptoms should be empiric treatment without performance of diagnostic testing
• Diagnostic studies are indicated in patients with alarm signs or symptoms
• Routine use of colon cancer screening tools is recommended in patients aged ≥ 50 years
Brandt LJ, et al. Am J Gastroenterol. 2005;100(Suppl 1):S5-S21.ACG = American College
of Gastroenterology
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• Multidisciplinary approach– MD, nursing, pharmacist, dietician
• MDS initial evaluation– Bowel function– Ability to use toilet
• Accurate bowel history– From resident, if possible
• Rule out secondary factors– Medications, disease states, diet
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• Immobility
• Inadequate fluid intake
• Diet – not enough fiber, reduced intake
• Medications– Narcotics– Iron– Anticholinergic side effects
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• 59%-78% of residents use laxatives at least on an intermittent basis
• 50% were on more than 1 laxative
• Most commonly used:– Stool softeners– Saline laxatives– Stimulant laxatives– Osmotic laxatives
Phillips C, et al. J Am Med Dir Assoc.2001;2:149-154.
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• 41% of patients on long-term opioids develop constipation– Delayed gastric emptying
– Delayed stool transit throughout the GI tract
– Decreased peristalsis
– These changes can be seen almost immediately, therefore, start laxatives prophylactically
• Treat with stimulant or osmotic laxatives
Kalso E, et al. Pain.2004;112:372-380.
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• Trials of fiber have been inconsistent, but generally fiber in diet leads to laxative use and bowel movements
• No set guidelines for the elderly– American Dietetic Association– 10-13
Gm/1000 kcal
• Studies have used:– “laxative” pudding (dates & prunes)– Bran, applesauce, & prune juice mixture– Fiber-rich porridge
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• May only be helpful in dehydrated patients, not in chronic constipation
• Adequate hydration is important to general health
Exercise• Convincing data is lacking as to efficacy,
but overall well-being may improve
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• Set time for defecation– Morning or 30 minutes after meal
• Comfortable, safe toilet or commode
• Privacy
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Generic Name Brand Name Usual Dosage
Bulk Formers
Psyllium Metamucil 1-2 Tbsp 1-3 times daily
Methylcellulose Citrucel 1 Tbsp 1-3 times daily
Stool Softeners (Emollients)
Docusate Na Colace 100-300 mg / day
Osmotic Agents
Lactulose Enulose, Constulose 15-30 ml 1-2 times daily
Sorbitol 70% --------------- 15-150 ml / day in divided doses
Polyethylene Glycol (PEG)
MiraLax 17 Gm once daily (1 capful)
Magnesium Hydroxide Milk of Magnesia 15-60 ml once daily (bedtime)
Stimulants
Senna Senokot 8.6-17.2 mg daily (1-2 tablets)
Bisacodyl Dulcolax 5-15 mg once daily (1-3 tablets)
Chloride Channel Activator
Lubiprostone Amitiza 24 mcg twice daily
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Laxative Level of Evidence Strength of Recommendation
Polyethylene glycol I A
Tegaserod (suspended from market, March 2007)
I A
Lactulose II B
Psyllium II B
Sorbitol III C
Magnesium hydroxide III C
Stimulants (no good studies)
III C
Methylcellulose III C
Bran III C
Calcium polycarbophil III C
Colchicine III C
Misoprostol III C
Stool softeners III CRamkumar D, et al. Am J Gastroenterol. 2005;100:936-971.
*Lubiprostone was not approved at the time of this analysis
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• MOA: absorbs water from intestinal lumen, softens stool, decreases bowel transit time
• Not suitable for acute relief
• Requires adequate fluid intake
• Avoid in patients with dysphagia
• Potential for drug interactions (digoxin, warfarin, salicylates, ciprofloxacin)
• AEs: flatulence, abdominal pain, GI obstruction
Brandt LJ, et al. Am J Gastroenterol. 2005;100:S5-S21.Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• MOA: act as surfactants, lowering surface tension and facilitating the mixing of aqueous and fatty substances in the intestinal lumen
• Primarily used for patients with painful defecation due to hemorrhoids or anal fissures
• No role in chronic constipation
• AE’s: potential diarrhea, mild cramping
Brandt LJ, et al. Am J Gastroenterol. 2005;100:S5-S21.
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• MOA: draws fluid into the intestinal lumen by osmotic action, thus increasing intraluminal pressure & stimulating gut motility
• PEG – no studies yet in older adults
• Lactulose & sorbitol – similar effects in older adults
• Saline laxatives can cause electrolyte imbalance– Avoid use in patients with renal impairment
• AE’s: diarrhea, abdominal discomfort, flatulence
Brandt LJ, et al. Am J Gastroenterol. 2005;100:S5-S21.Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• MOA: stimulates nerve plexus of intestines, increases peristalsis, increases secretion of fluid & electrolytes
• Use in lowest effective dose
• Chronic use leads to tolerance
• Useful in opioid-induced constipation
• AE’s: abdominal pain, electrolyte imbalance, melanosis coli (long-term use)
Brandt LJ, et al. Am J Gastroenterol. 2005;100:S5-S21.Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• Metoclopramide & erythromycin work on the upper GI tract to promote peristalsis
– Little benefit for constipation
• Tegaserod was approved for chronic constipation in persons <65 yo, but voluntarily suspended from market by the manufacturer in March 2007 after a pooled analysis of 29 placebo-controlled short-term trials found a statistically significant increase in cardiovascular ischemic events, including heart attack, angina, and stroke – July 2007 – FDA approved restricted use under
investigational treatment protocol for women <55 yo with IBS-C or chronic idiopathic constipation
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• MOA: enhances chloride-rich fluid secretion into intestinal lumen without affecting Na+, K+, or Cl- levels. No effect on selected smooth muscle (ileum longitudinal smooth muscle, ileum circular smooth muscle, vas deferens, and iris sphincter) contraction
• Approved for treatment of chronic idiopathic constipation in adults
• Minimal systemic absorption, no significant drug interactions
• Compared to placebo, increases bowel movements, decreases straining, improves stool consistency
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.Johanson JF, et al. Gastroenterology.2004;126(Suppl 2): A100. Abstract 749.Johanson JF. Gastroenterology. 2003;124:A-48.
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• Reserve for acute situations
• Avoid soap suds
• Small volume tap water enemas are preferred
• Phosphate containing enemas may cause hyperphosphatemia, especially in renal impairment
• Watch for abuse in the elderly
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
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• Refractory constipation for anorectal testing• Dyssynergic defecation may benefit from
biofeedback therapy• Alarm symptoms or over age 50 for
colonoscopy• Surgery for severe colonic inertia• If chronic complaint but having BMs –
consider depression, refer psych
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Approach to Management
Tariq SH. J Am Med Dir Assoc. 2007;8:209-218.
Subjective c/o constipation
• Adequate hydration and fiber in diet• Exercise if mobile• Eliminate drugs that cause constipation
Constipation with mental status changes or abdominal pain and/or bleeding
• R/O delirium• R/O impaction or
obstruction• Treat the underlying
problem Iron deficiency anemia Stool for blood Digital rectal exam Abdominal X-Ray TSH, calcium, magnesiumExclude depression
Refer to GIFor colonoscopy/
transit studies
Avoiddocusate (Colace)
Empirically treat1. Sorbitol/lactulose/polyethylene glycol2. Stimulant laxative short term3. If none of the above measures work, use Lubiprostone
No Improvement
Switch empiricagents & try adifferent agent
Improved
?
Constipation in Long Term Care
Acute Chronic
No ImprovementImproved
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• Care plan
• Quality of Life evaluation
• Medication review
• Scheduled treatment, not prn
• Know adult bowel history
• Doctor involved
• Refer when appropriate
• Quality Indicator
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• F309 Quality of Care –Each resident must receive and the facility must provide the necessary care and services to attain the highest practicable physical, mental and psychosocial well-being, in accordance with the comprehensive assessment and plan of care– May include fecal impaction
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• F309- Highest possible level of functioning and well-being, limited by individual recognized pathology and normal aging– Determine if avoidable or unavoidable– Need:
• Accurate and complete assessment• Care plan• Evaluation of the results of the interventions and
revising the interventions as necessary
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• Know your patient
• Common problem in elderly related to aging process and multiple illnesses in elderly
• Medications for etiology and treatment
• Exercise/increase activity
• Fiber
• Care plan
• Quality of life