B5.063 Constipation in the Elderly Flashcards
prevalence of constipation in the elderly
30% in those over 60 (all adults only 16%)
50% in community dwelling elderly
70% in nursing homes
epidemiology of constipation
more frequent in women and lower socioeconomic populations
complications of constipation in the elderly
hemorrhoids fecal impaction/ incontinence urinary incontinence stercoral ulcers acute delirium rectal prolapse volvulus ER visits or hospitalizations
physician definition of constipation
infrequent bowel movements, usually <3 per week for at least 3 of last 12 months
patient symptoms of constipation
hard stools incomplete evacuation ab discomfort bloating and distention excessive straining sense of blockage manual maneuvers needed
4 classes of primary constipation
functional constipation
outlet dysfunction
slow transit constipation
combination
functional constipation
idiopathic constipation meeting ROME 4 criteria
multi regional intestinal dysmotility
Bristol stool scale
outlet obstruction
lack of coordination between ab muscle contraction and pelvic floor muscle relaxation resulting in straining
obstructed perineal transit due to anorectal structural abnormalities or urogynecological diseases
slow transit constipation
alterations in enteric neurons and glial cells
depletion of ICC pacemaker cells
colonic structural abnormalities
increased collagen in ascending colon
reduction of high amplitude propagated contractions (<5 per day)
deficient gastro-colic reflex
sources of secondary constipation
diet meds underlying conditions (hypothyroidism, DM, parkinsons) systemic diseases psych disorders endocrine disorders electrolyte abnormalities sedentary lifestyle
examples of meds that can aggravate constipation
calcium supplements
fiber supplements
narcotic analgesics
is constipation a consequence of normal aging?
nah
treatment approach for constipation in the elderly
identify cause and select appropriate agent/agents to treat it
diet/lifestyle often ineffective, need multifactorial approach
laxative mainstay