Mammography, Cervical Cytology Screens, and Rationing

The recent recommendations on mammography and cervical cytology screens by the US Preventive Services Task force and ACOG (American College of Obstetricians and Gynecologists), respectively, have added a new dimension to reform discussions.  Some are inclined to say “gotcha,” suggesting that the recommendations are evidence of a creeping denial of needed care that would follow governmental insinuation into health finance and benefits design.  Others see the reports as serendipitous irrelevancies, unconnected to reform discussions.  The truth is, not surprisingly, more complex.  The irony is that consumers will be more represented in health technology assessment in a public plan than they have been in private insurance.

It seems inevitable that any future health finance system will rely on evidence-based assessments of new (and old) technologies for both quality and cost purposes.  Our experience with the widespread use of affirmatively harmful (e.g., hormone-replacement therapy) and apparently useless treatments (e.g., knee arthroscopy for osteoarthritis) points to the possible risks of rapid  or uncritical adoption of new technologies.  As Sara Rosenbaum and others have pointed out,  (subscription required) we don’t want to confuse population data with individually-applied diagnostic and treatment judgment.   Both reports, to their credit, got this part right, and advised individual patients and physicians to assess each case in context, notwithstanding the general population-level guidance.  But evidence-based population data on the efficacy and comparative benefit of new and expensive interventions will be of enormous assistance in future treatment and funding decisions.

How should such health technology assessment be done, if not by expert panels?  As Bill Sage has observed, private health plans were opaque and inconsistent when they were in the technology assessment business.  (They have pretty much gotten out of that field, leaving cost control to others.)   One criticism of the mammography and cervical cytology reports has been that they should have included a more public process before issuing recommendations.  As the reports are merely advisory, it is not clear that post-publication comment doesn’t get the job done.  Where, as may be the case in the future, such expert analysis has instrumental effect, pre-implementation public process is essential.   Two guides for public health technology assessment advise as much.  The Institute of Medicine, in guidance issued earlier this year for comparative effectiveness analysis funded by the stimulus bill, observed that,

Clinicians and patients do not always consider the same factors when weighing the tradeoffs posed by important health care alternatives.  To ensure that the fruits of CER support consumers’ health care decision making, the CER Program should focus on the questions of patients as well as their health care providers.

Similarly, a health technology assessment guide created by the European Observatory on Health Systems in 2008 describes well-functioning technical assessment as consultative and transparent:

Social accountability permeates the whole knowledge production and is reflected not only in the interpretation and diffusion of results but also in the definition of the problem and the setting of research priorities.

We don’t want a health system — public or private — that is blind to either sound evidence-based technology assessment or the particular health needs of individual patients.  One advantage to a public system is that the assessment of technologies can and should include a robust public process.  We didn’t get that with private managed care.  The mammography and cervical cytology reports should call our attention to the opportunity for public process in decision making in publicly-funded coverage, and the need for close attention to the implementing regulatory processes if and when a bill is signed.