DDHA 8503 Week 9 Consequence Review Example

Two Quarters After the Fast Lane Opened: A Consequence Review of a Primary Care Inbox Intervention, the Effects Nobody Wrote Down and the Link the Loop Diagram Got Wrong

Student Name

Walden University

DDHA 8503: Strategic Management and Systems Thinking

Instructor Name

Month Day, Year

Two Quarters After the Fast Lane Opened: A Consequence Review of a Primary Care Inbox Intervention, the Effects Nobody Wrote Down and the Link the Loop Diagram Got Wrong

What Was Done and What Was Expected

Six months ago, Brightwater Medical Group introduced a three-part change across its fourteen primary care clinics. The quality dashboard replaced its two-day reply measure with a count of patients who wrote again about an unresolved concern inside a week. Clinicians received two hours of protected inbox time each week. And after a three-clinic start, every clinician's schedule began holding four video visit slots a week for patients whose messages, in the triage nurse's or clinician's judgment, needed a visit. The design expected repeat messages to fall within weeks, evening inbox time to fall within a quarter and routine visit access to worsen somewhat, with the hope that resolved messages would free enough clinician time to offset it. It warned that held slots might be filled with routine patients and that a working fast lane might attract demand.

This review is organized by effects rather than by the three parts. It separates what the change caused from what was already moving, and it treats workarounds as evidence of where the change met resistance.

Effects That Matched the Intention

Repeat messages on the same issue fell in all fourteen clinics, beginning in the second month and continuing through the sixth. Evening inbox minutes in the record logs fell for most clinicians once protected time began, though not for the clinicians with the largest panels. Triage nurses reported fewer exchanges in which a patient wrote back several times before being told to book a visit. These effects arrived roughly when the design predicted.

Anticipated Side Effects

Two side effects that the design named did occur. Routine visit access worsened in every clinic: the third-next-available routine appointment lengthened, more in the clinics that were already the most constrained. And in two clinics, held fast-lane slots that went unused by Thursday were released to routine patients, which was sensible locally but meant the slots were not available on Friday for messages that needed them. Both were expected; their size was larger than hoped in the most constrained clinics.

Effects Nobody Wrote Down

Three effects appeared that no one predicted.

First, the number of messages labeled as prescription refills rose, while the number labeled as medical questions fell by a similar amount, without any change in prescribing. Medical assistants found that many of these refill messages were medical questions. Patients had learned that refill requests go straight to the care team, while medical questions go to triage first and might end in a recommendation to book a visit. The circuit is short: triage introduced a step that patients experienced as a barrier, and some routed around it within weeks. The delay was short enough that the effect appeared before the first monthly review but was not recognized as related to the change until the third.

Second, the fast lane filled faster than its slots, and it filled mainly with messages from patients who could not get a routine appointment. Some patients began writing specifically to obtain a visit. This was the anticipated demand response, but it took an unexpected form: rather than more patients using the fast lane for urgent needs, patients used it as a side door to the schedule for routine needs. The circuit runs from routine visit scarcity, which the change itself worsened, to messages written to reach the fast lane.

Third, the new repeat-message measure began to fall faster in some clinics than their patient surveys suggested it should. In those clinics, staff had started closing message threads after a reply and opening a new encounter when the patient wrote back, so that the second message was recorded under a different issue and did not count as a repeat. No one instructed them to do this. Campbell (1979) predicted that numbers used to make decisions invite the people being counted to reshape them, and the thread-closing routine is a small example: it improved the measure without improving resolution.

Workarounds as Evidence

Each workaround shows where the change pressed hardest. Mislabeled refill requests show that patients experienced nurse triage as a barrier rather than a service. Released fast-lane slots show that clinicians in constrained clinics valued routine access over the fast lane when the two competed. Thread closing shows that the new measure was felt as a judgment of staff, not as information. Lipsky (2010) observed that frontline workers facing demands they cannot meet develop routines that make their work manageable, and these are such routines. They are not failures of discipline; they are the system's response, and they point to the places the design must change.

What Was Already Moving

Not every movement in the period was caused by the intervention. Message volume across the group continued its slow upward trend, as it had before the change. A new laboratory interface released more results to the portal from the fourth month onward, which increased messages about results in every clinic, including those where the fast lane opened late. The review does not attribute either movement to the intervention.

Revising the Loop Diagram

The Week 3 loop diagram treated the link from visit availability to messages sent in place of visits as a single negative link: when visits are scarce, more patients write. That link was drawn wrongly, not because its sign was wrong, but because it treated all messages as one flow. The fast lane created a second flow, messages written to obtain a fast-lane visit, which rises when fast-lane visits are available and routine visits are not. The revised diagram splits the link in two: routine visit availability still drives messages in place of visits negatively, and fast-lane availability drives messages written to reach the fast lane positively. Together they form a new reinforcing path the original diagram could not show. Sterman (2000) stresses that a model is always provisional and should be revised when the system behaves in ways it did not predict, and this revision is that kind of correction.

Implications

The next design should protect routine visit access in the most constrained clinics before expanding the fast lane, change triage so that medical questions are not experienced as a barrier and pair the repeat-message measure with a periodic audit of how threads are closed, so that the measure is read as information rather than as a verdict.

References

Campbell, D. T. (1979). Assessing the impact of planned social change. Evaluation and Program Planning, 2(1), 67-90. https://doi.org/10.1016/0149-7189(79)90048-X

Lipsky, M. (2010). Street-level bureaucracy: Dilemmas of the individual in public services (30th anniversary expanded ed.). Russell Sage Foundation.

Sterman, J. D. (2000). Business dynamics: Systems thinking and modeling for a complex world. Irwin/McGraw-Hill.