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OtherPractice

Weight loss in older patients

Chris Frank, Frank Molnar and Jayna Holroyd-Leduc
Canadian Family Physician October 2019; 65 (10) 723;
Chris Frank
Family physician practising in Kingston, Ont.
MD CCFP(COE) FCFP
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Frank Molnar
Specialist in geriatric medicine practising in Ottawa, Ont.
MSc MD CM FRCPC
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Jayna Holroyd-Leduc
Head of and Professor in the Section of Geriatric Medicine at the University of Calgary in Alberta.
MD FRCPC
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Clinical question

How can I assess and address weight loss in older patients?

Bottom line

Weight loss is common and can be challenging to manage. Quandaries include identifying the problem, determining the appropriate workup, balancing fear of missing a diagnosis with invasive investigation, and effective treatment.1

Weight loss is a reduction of more than 5% of body weight over 1 month or 10% over 6 months.2 Useful screening questions include asking older patients if their clothing has loosened or if they have had to wear a smaller size. Screening for unintentional weight loss is important given its association with mortality, functional decline, and clinical frailty. The approach to weight loss in older patients might be more complex than in younger patients owing to the higher risk of serious underlying illness such as cancer, but also owing to psychosocial factors such as cognitive impairment, limited financial or social supports, functional decline related to frailty, and oral health issues.3–6 As a result, your patient’s social circumstances must be assessed. Investigations should be guided by the patient’s history and findings of a physical examination, focusing on confirming diagnoses. The contribution of medications is also important to consider.

Evidence

  • Exercise might be as helpful as nutritional supplements, which if used should be provided between meals to avoid decreasing appetite further.7,8

  • There is limited evidence for pharmacologic treatments, and Choosing Wisely recommends against routine use.9

  • Up to 40% of people with dementia have weight loss.10

  • Many common medications are associated with weight loss.

Approach

  • Serial weight measurements and routine screening such as asking about decreased intake and change in clothing fit can identify people meeting or close to meeting the criteria for weight loss and help to focus interventions.

  • Box 1 provides a mnemonic to help identify possible causes.

  • A detailed history, oral and abdominal examinations, a neurologic assessment, and a mental status review are important for diagnosing any underlying disease.

  • It is important to review prescribed and over-the-counter medications (refer to Box 2 in Holroyd-Leduc).1

  • The presence and severity of frailty,11 along with patient care goals, can guide how aggressively to investigate weight loss. Eliminating restrictive diets might be appropriate for those with limited life expectancy or moderate to severe frailty.

Box 1.

The STOP WEIGHT LOSS mnemonic for common potentially modifiable causes of weight loss

  • Side effects of medications

  • Treatment effects (eg, chemotherapy, radiotherapy, dialysis)

  • Other medical diagnoses (eg, malignancy, end-stage congestive heart failure or COPD, renal failure)

  • Pain (inadequate control)

  • Wandering and other repetitive behaviour of dementia or psychiatric disease

  • Emotional or psychological problems (eg, anxiety, depression, delusions)

  • Impaired cognition (dementia, delirium) or function (eg, inability to feed self)

  • Gastrointestinal disease (eg, malabsorption, reflux, nausea, vomiting, constipation)

  • Hyperthyroidism, hypothyroidism, hyperparathyroidism, or hypoadrenalism

  • Taste and texture of food (restrictive diets—eg, low sodium, low cholesterol, pureed)

  • Loss of appetite or early satiety

  • Oral health factors (eg, diseased mucosa, poor dentition, poorly fitting dentures)

  • Swallowing disorders

  • Social factors (eg, isolation, poverty, poor access to food)

COPD—chronic obstructive pulmonary disease.

Developed by and adapted with permission from Dr Frank Molnar. For permission to use contact Dr Molnar at fmolnar{at}toh.ca.

Implementation

Remediable factors should be optimized first,12 especially for patients with dementia or frailty. A critical medication review should use a deprescribing lens.13 The benefit of nutritional supplements is unclear. There is limited evidence for appetite stimulants; social factors and exercise might be more helpful.

Nutrition resources related to weight loss are available for health care providers (www.nutritioncareincanada.ca) and for older Canadians (https://www.dietitians.ca/Your-Health/Nutrition-A-Z/Seniors.aspx).

Notes

Geriatric Gems are produced in association with the Canadian Geriatrics Society Journal of CME, a free peer-reviewed journal published by the Canadian Geriatrics Society (www.geriatricsjournal.ca). The articles summarize evidence from review articles published in the Canadian Geriatrics Society Journal of CME and offer practical approaches for family physicians caring for elderly patients.

Footnotes

  • Competing interests

    None declared

  • This article is eligible for Mainpro+ certified Self-Learning credits. To earn credits, go to www.cfp.ca and click on the Mainpro link.

  • La traduction en français de cet article se trouve à www.cfp.ca dans la table des matières du numéro d’octobre 2019 à la page e429.

  • Copyright© the College of Family Physicians of Canada

References

  1. 1.↵
    1. Holroyd-Leduc JM
    . Unintentional weight loss in older adults: a practical approach to diagnosis and management. Can Geriatr Soc J CME 2018;8(2).
  2. 2.↵
    1. Gilmore SA,
    2. Robinson G,
    3. Posthauer ME,
    4. Raymond J
    . Clinical indicators associated with unintentional weight loss and pressure ulcers in elderly residents of nursing facilities. J Am Diet Assoc 1995;95(9):984-92.
    OpenUrlCrossRefPubMed
  3. 3.↵
    1. Wright BA
    . Weight loss and weight gain in a nursing home: a prospective study. Geriatr Nurs 1993;14(3):156-9.
    OpenUrlCrossRefPubMed
  4. 4.
    1. Callen BL,
    2. Wells TJ
    . Screening for nutritional risk in community-dwelling old-old. Public Health Nurs 2005;22(2):138-46.
    OpenUrlCrossRefPubMed
  5. 5.
    1. Sorbye LW,
    2. Schroll M,
    3. Finne Soveri H,
    4. Jonsson PV,
    5. Topinkova E,
    6. Ljunggren G,
    7. et al
    . Unintended weight loss in the elderly living at home: the Aged in Home Care Project (AdHOC). J Nutr Health Aging 2008;12(1):10-6.
    OpenUrlCrossRefPubMed
  6. 6.↵
    1. Bartlett BJ
    . Characterization of anorexia in nursing home patients. Educ Gerontol 1990;16(6):591-600.
    OpenUrlCrossRef
  7. 7.↵
    1. Ovesen L
    . The effect of a supplement which is nutrient dense compared to standard concentration on the total nutritional intake of anorectic patients. Clin Nutr 1992;11(3):154-7.
    OpenUrlCrossRefPubMed
  8. 8.↵
    1. Rydwik E,
    2. Lammes E,
    3. Frändin K,
    4. Akner G
    . Effects of a physical and nutritional intervention program for frail elderly people over age 75. A randomized controlled pilot treatment trial. Aging Clin Exp Res 2008;20(2):159-70.
    OpenUrlCrossRefPubMed
  9. 9.↵
    Ten things clinicians and patients should question. Philadelphia, PA: Choosing Wisely; 2015.
  10. 10.↵
    1. Franx BAA,
    2. Arnoldussen IAC,
    3. Kiliaan AJ,
    4. Gustafson DR
    . Weight loss in patients with dementia: considering the potential impact of pharmacotherapy. Drugs Aging 2017;34(6):425-36.
    OpenUrl
  11. 11.↵
    1. Geriatric Medicine Research.
    Clinical Frailty Scale. Halifax, NS: Dalhousie University; 2007.
  12. 12.↵
    1. Alibhai SM,
    2. Greenwood C,
    3. Payette H
    . An approach to the management of unintentional weight loss in elderly people. CMAJ 2005;172(6):773-80.
    OpenUrlAbstract/FREE Full Text
  13. 13.↵
    1. Molnar FJ,
    2. Haddad T,
    3. Dyks D,
    4. Farrell B
    . Problem-based deprescribing: a practical patient-centred approach to promoting the use of existing deprescribing resources in frontline care. Can Geriatr Soc J CME 2018;8(2).
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Canadian Family Physician: 65 (10)
Canadian Family Physician
Vol. 65, Issue 10
1 Oct 2019
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Weight loss in older patients
Chris Frank, Frank Molnar, Jayna Holroyd-Leduc
Canadian Family Physician Oct 2019, 65 (10) 723;

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