Haematology Society of Australia and New Zealand
The Haematology Society of Australia and New Zealand (HSANZ) aims to inform members of the most recent developments in haematology, and to advance knowledge and inspire continued professional development in this exciting discipline.
Download the Haematology Society of Australia and New Zealand's Top-5 recommendations (PDF)
Top-5 recommendations on low-value practices
1. Do not conduct thrombophilia testing in adult patients under the age of 50 years unless the first episode of venous thromboembolism (VTE) occurs, in the absence of major transient risk factors (surgery, trauma, immobility), or in the absence of oestrogen-provocation, or at an unusual site.
2. Limit surveillance computed tomography (CT) scans in asymptomatic patients with confirmed complete remission following curative intent treatment for aggressive lymphoma – except for patients on a clinical trial.
Rationale and evidence
Rationale
CT surveillance in asymptomatic patients in remission from aggressive lymphoma may be harmful due to a small but cumulative risk of radiation-induced malignancy. It is also costly and has not been demonstrated to improve survival.
Therefore, the anticipated benefits of post-treatment CT scans should be weighed against the potential harm of radiation exposure.
Due to a decreasing probability of relapse with the passage of time and a lack of proven benefit, CT scans in asymptomatic patients more than 2 years beyond the completion of treatment are rarely advisable.
Evidence
Thompson CA, Ghesquieres H, Maurer MJ. Utility of routine post-therapy surveillance imaging in diffuse large B-cell lymphoma. Journal of Clinical Oncology. 2014; 32: 3506-3512.
Huntington SF, Svoboda J & Doshi JA. Cost-effectiveness analysis of routine surveillance imaging of patients with diffuse large B-cell lymphoma in first remission. Journal of Clinical Oncology. 2015; 33(13): 1467-1474.
Cheah CY, Dickinson M & Hofman MS. Limited clinical benefit for surveillance PET-CT scanning in patients with histologically transformed lymphoma in complete metabolic remission following primary therapy. Annals of Haematology. 2014; 93: 1193-1200.
Lin TL, Kuo MC, Shih LY, et al. Value of surveillance computed tomography in the follow-up of diffuse large B-cell and follicular lymphomas. Annals of Haematology. 2012; 91(11): 1741–5.
Thompson CA, Charlson ME & Schenkein E. Surveillance CT scans are a source of anxiety and fear of recurrence in long-term lymphoma survivors. Annals of Oncology. 2010; 21: 2262-2266.
Shenoy P, Sinha R, Tumeh JW, et al. Surveillance computed tomography scans for patients with lymphoma: is the risk worth the benefits?. Clinical Lymphoma Myeloma Leukemia. 2010; 10(4): 270–7.
Guppy AE, Tebbutt NC, Norman A, et al. The role of surveillance CT scans in patients with diffuse large B-cell nonHodgkin’s lymphoma. Clinical Lymphoma Myeloma Leukemia. 2003; 44(1): 123–5.
3. Do not extend anticoagulation beyond 3 months for a patient with a nonextensive, index venous thromboembolic event (VTE), which occurred in the setting of a major, transient risk factor.
4. Do not perform baseline or routine surveillance CT scans or bone marrow biopsy in patients with asymptomatic early stage chronic lymphocytic leukaemia (CLL).
Rationale and evidence
Rationale
In patients with asymptomatic, early-stage CLL, baseline and routine surveillance CT scans do not improve survival and are not necessary to stage or prognosticate patients. CT scans expose patients to small doses of radiation, and can detect incidental findings that are not clinically relevant but lead to further investigations and are costly.
For asymptomatic patients with early-stage CLL, clinical staging and blood monitoring is recommended over CT scans.
Evidence
Oscier D, Dearden C, Eren E, et al. Guidelines on the diagnosis, investigation and management of chronic lymphocytic leukaemia. British Journal of Haematology. 2012; 159(5): 541–64.
Eichhorst B, Hallek M, Dreyling M, et al. Chronic lymphocytic leukaemia: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up. Annals of Oncology. 2010.
Hallek M, Cheson BD & Catovsky D. Guidelines for the diagnosis and treatment of chronic lymphocytic leukemia: A report from the International Workshop on Chronic Lymphocytic Leukemia updating the National Cancer Institute-Working Group 1996 guidelines. Blood. 2008; 111: 5446-5456.
5. Do not treat patients with immune thrombocytopenic purpura (ITP) unless platelet count <30,000/L, active bleeding or clinically significant risk of bleeding (including invasive procedures).
Rationale and evidence
Rationale
Treatment for ITP should be aimed at treating and preventing bleeding episodes and improving quality of life. Unnecessary treatment exposes patients to potentially serious treatment side effects and can be costly, with little expectation of clinical benefit. Unless they are preparing for surgery or an invasive procedure, or have a significant additional risk factor for bleeding, ITP treatment is rarely indicated for adult patients with platelet counts greater than 30,000/L.
In patients preparing for surgery or other invasive procedures, short-term treatment may be indicated to increase the platelet count prior to the planned intervention and during the immediate post-operative period.
Evidence
Neunert C, Lim W, Crowther M, Cohen A, Solberg L Jr., Crowther MA. The American Society of Haematology 2011: Evidence based practice guideline for immune thrombocytopenia. Blood. 2011; 117(16): 4190–207.