PIP and diabetes mellitus: This limitation is consistent with another retrospective study of SH in cats, in which only 1.34% of 347,889 cats had an SABP measurement.9 In addition, not all cats had an echocardiogram performed, and most cats did not have a complete documented ocular examination; therefore, it is possible that the prevalence of cardiac and ocular abnormalities in cats with DM and SH is underestimated in this study.