Primary Care CKD Navigator

Why Primary Care CKD Navigator?

Precision KDIGO CGA Staging

Instantly stratifies chronic kidney disease severity using the 2021 race-free CKD-EPI equation combined with spot urine albumin-to-creatinine ratio (uACR), replacing fragmented lab lookups with an integrated composite risk assessment.

4-Pillar Cardiorenal GDMT Guidance

Evaluates guideline-directed medical therapy across SGLT2 inhibitors, ACEi/ARBs, non-steroidal MRAs (finerenone), and GLP-1 receptor agonists, identifying therapeutic gaps and dose-titration targets at the point of care.

Risk-Based Referral & Drug Safety Triage

Calculates individualized 2- and 5-year kidney failure risk via the validated Tangri KFRE model, surfaces nephrology referral triggers, flags renal drug dosing thresholds, and operates entirely client-side with zero data storage.

Clinical Workflow: 6-Module Decision Support Architecture

Module 1

Patient Evaluator & Trajectory Engine

A dual-column diagnostic hub that combines laboratory inputs with real-time risk stratification:

  • Demographics & Comorbidities: Captures baseline parameters, diabetes subtype, cardiovascular disease, hypertension, and resistant phenotypes.
  • Biomarker & Slope Processing: Evaluates current and prior serum creatinine to calculate annualized eGFR decline rates (identifying rapid decliners losing ≥3 mL/min/1.73m²/year).
  • Live Staging & KFRE Dial: Instantly displays the composite KDIGO stage, 2-year and 5-year Tangri Kidney Failure Risk Equation scores, and personalized surveillance intervals.
Module 2

Cardiorenal GDMT Protocols

Evidence-based implementation pathways across the 4 disease-modifying pharmacotherapy pillars:

  • Class 1A Pillar Triage: Generates concrete initiation, titration, and monitoring action items for SGLT2i, maximally tolerated RAAS blockade, finerenone, and GLP-1 RA therapy.
  • Safety & Sick-Day Safeguards: Embedded safety callouts for hyperkalemia thresholds, baseline potassium cutoffs, volume depletion rules, and temporary holds during acute intercurrent illness.
  • Trajectory Projections: Visualizes filtration preservation projections and estimated dialysis-free years gained through comprehensive GDMT implementation.
Module 3

Interactive KDIGO 2024 Heatmap (CGA Matrix)

An interactive, full-spectrum 6×3 prognostic matrix reflecting the KDIGO 2024 Clinical Practice Guideline:

  • Dynamic Patient Pinning: Automatically plots active patient coordinates on the matrix with intersecting row and column crosshairs.
  • Interactive Cell Inspection: Allows clinicians to click any stage block to review all-cause mortality multipliers, progression hazards, and recommended laboratory monitoring frequencies.
  • Clean Reference Mode: Toggles to an open matrix reference state when clearing patient records for teaching, precepting, and clinical review.
Module 4

Referral Decision Support & Pre-Consult Bundle

Structured triage determining when primary care co-management transitions to specialist nephrology care:

  • Multivariate Referral Triggers: Evaluates criteria including eGFR <30 mL/min/1.73m², persistent uACR >300 mg/g, 5-year KFRE risk ≥5%, rapid filtration drop, unexplained hematuria, and refractory hypertension.
  • Interactive Pre-Referral Workup: Dynamic checklist identifying required baseline diagnostic panels (serum phosphorus, intact PTH, CBC, renal ultrasound, and SPEP/UPEP screening) before referral.
  • One-Click Clipboard Export: Formats referral rationale and laboratory bundles for rapid insertion into EHR orders or referral encounters.
Module 5

Renal Drug Safety & Cutoff Checker

Point-of-care pharmacovigilance cross-referencing patient-specific renal function against clearance thresholds:

  • Live Patient Range Pinning: Automatically highlights the patient’s active eGFR bracket within specific drug dosing modification tables.
  • High-Risk Renal Flags: Highlights nephrotoxic hazards including chronic NSAID analgesics, gabapentinoid accumulation, dual RAAS blockade toxicity, and metformin cessation cutoffs.
  • Direct EHR Transfer: Enables immediate transfer of deprescribing directives and dose adjustments into the active clinical plan.
Module 6

SOAP Documentation & Consult Generator

Automated clinical documentation engine synthesizing inputs into structured progress notes:

  • EHR-Ready Formatting: Compiles standardized Subjective, Objective, Assessment, and Plan notes tailored for primary care charts.
  • Formal Consult Letters: Generates structured nephrology consult requests incorporating clinical trajectory, active comorbidities, current GDMT status, and specific consultation questions.
  • Printable Patient Guides: Outputs patient-facing education handouts summarizing CKD stage, kidney protection strategies, and individualized lifestyle targets.

How to Use the Primary Care CKD Navigator in Practice

  1. Enter Baseline Demographics & Biomarkers: Input the patient’s age, biological sex, diabetes status, serum creatinine, and spot urine ACR. Select standard US or SI metric units as needed.
  2. Assess Longitudinal Trajectory & Comorbidities: Add prior creatinine values and test intervals to compute the annualized filtration decline slope, and check active comorbid conditions (e.g., heart failure, ASCVD, resistant hypertension).
  3. Reconcile Cardiorenal Medications: Document active GDMT pillars and flag potential nephrotoxic exposures (such as chronic NSAIDs or dual RAAS blockade) to evaluate guideline gaps.
  4. Review Real-Time Risk & Referral Triage: Inspect the dynamic KDIGO CGA stage, 5-year KFRE kidney failure risk, and referral status banner to confirm whether outpatient co-management or nephrology consultation is indicated.
  5. Export Documentation & Patient Instructions: Review recommended drug adjustments, select accepted GDMT interventions, and export the structured clinical SOAP note or print the patient-friendly kidney care guide.

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