The HHD-case illustrates that the process concept is proper for the diagnostic and preparatory phases. However, it
is hard to apply to the home care phase for several reasons. First, there was a lack of preordained process sequence. The flow could not be planned in advance with sufficient predictability, as time-critical exceptions interrupted the order. Second, the idea of patients as inventory was not relevant. Since a HHD-patient is constantly part of the process; the reduction of “patient inventory” could not be an appropriate objective. Consequently elapsed time was also irrelevant, since the HHD-treatment has no planned end, and no other objective than maintaining a patient’s health condition. Third, HHD requires active involvement of the patient. Thus process modeling that only maps producer activities is not appropriate.
The HHD-case illustrates that the process concept is proper for the diagnostic and preparatory phases. However, it
is hard to apply to the home care phase for several reasons. First, there was a lack of preordained process sequence. The flow could not be planned in advance with sufficient predictability, as time-critical exceptions interrupted the order. Second, the idea of patients as inventory was not relevant. Since a HHD-patient is constantly part of the process; the reduction of “patient inventory” could not be an appropriate objective. Consequently elapsed time was also irrelevant, since the HHD-treatment has no planned end, and no other objective than maintaining a patient’s health condition. Third, HHD requires active involvement of the patient. Thus process modeling that only maps producer activities is not appropriate.
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