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Evid Based Nurs 8:56 doi:10.1136/ebn.8.2.56
  • Treatment

Review: non-invasive interventions improve symptoms and psychological functioning in patients with lung cancer


 
 Q Are non-invasive interventions delivered by healthcare professionals effective for improving symptoms, psychological functioning, and quality of life in patients with lung cancer?

METHODS

GraphicData sources:

Cochrane Central Register of Controlled Trials (Cochrane Library, Issue 4, 2003), Medline (1966–2003), EMBASE/Excerpta Medica (1974–2003), CINAHL (1982–2002), CancerLit (1975–2002), PsycINFO (1873–2003), bibliographies of relevant articles, and researchers in the field.

GraphicStudy selection and assessment:

randomised controlled trials (RCTs) or controlled clinical trials (CCT) that evaluated non-invasive interventions (ie, any physical treatment that does not require catheterisation, skin puncture, intubation, incision, drainage, endoscopy, or pharmacological intervention) based on clinical judgment and knowledge, and performed by healthcare professionals to enhance patient wellbeing or quality of life in patients with lung cancer (patients with other thoracic cancers were included). Study quality was assessed using criteria that included method of randomisation, allocation concealment, blinding, patient follow up, and sample size calculation.

GraphicOutcomes:

wellbeing (measured by validated and specific standardised impairment, distress, or psychological scales) and quality of life (determined exclusively by means of validated scales, classifications, and measurement systems).

MAIN RESULTS

9 RCTs met the selection criteria and were categorised into 6 groups. Meta-analysis was not done because of study heterogeneity. (1) Nurse led management of breathlessness programme v usual care (2 RCTs, n = 143). Improvement in symptoms, performance status, and emotional functioning was greater in the intervention groups than in the control groups (p values <0.05). (2) Nurse led follow up programmes v standard physician follow up (3 RCTs, n = 370). Structured nursing follow up programmes were associated with positive effects on delay in clinical deterioration, dependency, symptom distress, emotional functioning, and satisfaction with care (p values <0.05). (3) Nutritional advice by a dietician to achieve targeted caloric intake v ad lib oral diet without support from a dietician (1 RCT, n = 192). Nutritional advice increased caloric intake (p<0.001) but not weight or survival. (4) Counselling v no intervention (1 RCT, n = 65). Counselling was associated with improvements in depression, alienation score, life satisfaction, and self esteem throughout follow up (p values <0.05). However, the groups did not differ for functional status, degree of impairment, or survival. (5) Preoperative exercise (walking and stair climbing; and arm, leg, and breathing exercises) v no intervention (1 RCT, n = 104). Increase in “power” (capacity of an individual to knowingly participate in change) was greater in the intervention group than in the control group (p<0.001). (6) 30 minutes of foot reflexology v no intervention (1 RCT, n = 10). Reduction in anxiety scores was greater in the intervention group than in the control group (p = 0.002).

CONCLUSION

Non-invasive interventions of various types delivered by healthcare professionals are effective for improving symptoms and psychological functioning in patients with lung cancer.

Commentary

  1. E Ann Mohide, RN, MHSc, MSc
  1. McMaster University, School of Nursing
 Hamilton, Ontario, Canada

      The World Health Organization predicts a steep international increase in the number of new patients with lung cancer from 10 million in 2000 to 15 million in 2020.1 With such a worrisome prospect in mind, the systematic review by Sola et al is timely. Study strengths include a comprehensive search strategy, examination of outcomes that are linked to supportive care, and quality assessment scoring.

      A narrative synthesis was done because of intervention and outcome heterogeneity, but the development of 6 intervention categories for the 9 studies was somewhat artificial. In addition, studies that included only patients with lung cancer had relatively small samples (34–202 patients) and insufficient follow up in some cases. However, promising interventions included breathlessness management,2,3 exercise,4 and nurse led programmes (excluding structured assessment).5

      The most valuable contribution of the review by Sola et al is the focus and attention drawn to this broad, methodologically difficult, and often neglected area of study. Although most programmatic research emphasises prevention and medical management, supportive care interventions focusing on management of the effects of lung cancer or treatment on individuals, their families, and the healthcare system must be considered a research imperative. Practitioners and health planners need well conceived and rigorous research in order to provide comprehensive and up to date biopsychosocial care in home, community and institutional settings.

      References

      Footnotes

      • For correspondence: MrI Solà, Iberoamerican Cochrane Centre, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain. isolasantpau.es

      • Source of funding: Ministerio de Sanidad y Consumo, Instituto de Salud Carlos III, Spain.

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