feature: qSOFA Scoring & Sepsis Bundle Compliance

This commit is contained in:
voltsrage
2026-06-18 22:52:43 +08:00
parent 3c54feb38a
commit 4b46c09f90
34 changed files with 2351 additions and 18 deletions
@@ -6,11 +6,24 @@ public static class DbResetHelper
// the database, and preserves the schema (migrations do not re-run).
public static async Task ResetAsync(AppDbContext db)
{
await db.Database.ExecuteSqlRawAsync(@"
TRUNCATE TABLE reconciliation_alerts, outbox_events, orders,
clinical_alerts, news2_scores, observations, encounters,
alert_thresholds, patients
RESTART IDENTITY CASCADE;
");
for (var attempt = 0; ; attempt++)
{
try
{
await db.Database.ExecuteSqlRawAsync(@"
SET lock_timeout = '3s';
TRUNCATE TABLE sepsis_bundle_elements, sepsis_bundles,
reconciliation_alerts, outbox_events, orders,
clinical_alerts, news2_scores, observations, encounters,
alert_thresholds, patients
RESTART IDENTITY CASCADE;
");
return;
}
catch when (attempt < 5)
{
await Task.Delay(1000);
}
}
}
}
@@ -0,0 +1,37 @@
using FluentAssertions;
using StackExchange.Redis;
public class QsofaCalculatorTests
{
[Fact]
public void MeetsCriterion_RespRate22_ReturnsTrue() =>
QsofaCalculator.MeetsCriterion("RESP_RATE", 22m).Should().BeTrue();
[Fact]
public void MeetsCriterion_RespRate21_ReturnsFalse() =>
QsofaCalculator.MeetsCriterion("RESP_RATE", 21m).Should().BeFalse();
[Fact]
public void MeetsCriterion_SystolicBp100_ReturnsTrue() =>
QsofaCalculator.MeetsCriterion("SYSTOLIC_BP", 100m).Should().BeTrue();
[Fact]
public void MeetsCriterion_SystolicBp101_ReturnsFalse() =>
QsofaCalculator.MeetsCriterion("SYSTOLIC_BP", 101m).Should().BeFalse();
[Fact]
public void MeetsCriterion_Avpu1_ReturnsTrue() =>
QsofaCalculator.MeetsCriterion("AVPU", 1m).Should().BeTrue();
[Fact]
public void MeetsCriterion_Avpu0_ReturnsFalse() =>
QsofaCalculator.MeetsCriterion("AVPU", 0m).Should().BeFalse();
[Fact]
public void CountActiveCriteria_TwoOfThree_Returns2()
{
var values = new RedisValue[] { "24", RedisValue.Null, "95" };
QsofaCalculator.CountActiveCriteria(values).Should().Be(2);
}
}
@@ -0,0 +1,166 @@
using FluentAssertions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using StackExchange.Redis;
[Collection("Integration")]
public class QsofaDetectorTests : IAsyncLifetime
{
private readonly ApiFixture _fixture;
private Guid _encounterId;
private Guid _patientId;
public QsofaDetectorTests(ApiFixture fixture) => _fixture = fixture;
public async Task InitializeAsync()
{
using var scope = _fixture.Services.CreateScope();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await DbResetHelper.ResetAsync(db);
var patient = new Patient
{
Id = Guid.NewGuid(), Mrn = "MRN-QSOFA-001", FirstName = "qSOFA", LastName = "Test",
DateOfBirth = new DateOnly(1960, 1, 1), Gender = "M",
CreatedAt = DateTimeOffset.UtcNow
};
var encounter = new Encounter
{
Id = Guid.NewGuid(), PatientId = patient.Id, EncounterType = EncounterType.Inpatient,
Status = EncounterStatus.Active, Department = Department.Icu,
AttendingPhysician = "Dr. qSOFA", AdmittedAt = DateTimeOffset.UtcNow,
CreatedAt = DateTimeOffset.UtcNow
};
db.Patients.Add(patient);
db.Encounters.Add(encounter);
await db.SaveChangesAsync();
_patientId = patient.Id;
_encounterId = encounter.Id;
var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
var cache = redis.GetDatabase();
foreach (var key in QsofaCalculator.AllCriterionKeys(_encounterId))
await cache.KeyDeleteAsync(key);
}
public Task DisposeAsync() => Task.CompletedTask;
[Fact]
public async Task OneCriterionMet_NoAlert()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var result = await detector.ProcessObservationAsync(
_encounterId, _patientId, "RESP_RATE", 24m);
result.Outcome.Should().Be(QsofaOutcome.InsufficientCriteria);
result.ActiveCriteria.Should().Be(1);
var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
var ttl = await redis.GetDatabase()
.KeyTimeToLiveAsync(QsofaCalculator.CriterionKey(_encounterId, "RESP_RATE"));
ttl.Should().NotBeNull().And.BeGreaterThan(TimeSpan.Zero);
}
[Fact]
public async Task TwoCriteriaMet_CreatesAlert()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
var r1 = await detector.ProcessObservationAsync(
_encounterId, _patientId, "RESP_RATE", 24m);
r1.Outcome.Should().Be(QsofaOutcome.InsufficientCriteria);
var r2 = await detector.ProcessObservationAsync(
_encounterId, _patientId, "SYSTOLIC_BP", 95m);
r2.Outcome.Should().Be(QsofaOutcome.AlertCreated);
var alert = await db.ClinicalAlerts.SingleAsync();
alert.AlertType.Should().Be(AlertType.QsofaWarning);
alert.Severity.Should().Be(AlertSeverity.Critical);
alert.Status.Should().Be(AlertStatus.Open);
alert.EncounterId.Should().Be(_encounterId);
alert.PatientId.Should().Be(_patientId);
alert.Details.Should().Contain("qSOFA score 2/3");
var outbox = await db.OutboxEvents.SingleAsync();
outbox.Topic.Should().Be("alert.generated");
outbox.PartitionKey.Should().Be(_encounterId.ToString());
}
[Fact]
public async Task CriterionNormalizes_KeyDeleted()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
var cache = redis.GetDatabase();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var result = await detector.ProcessObservationAsync(
_encounterId, _patientId, "RESP_RATE", 18m);
var respKeyExists = await cache.KeyExistsAsync(
QsofaCalculator.CriterionKey(_encounterId, "RESP_RATE"));
respKeyExists.Should().BeFalse("a normalized respiratory rate must clear the criterion key");
var sbpKeyExists = await cache.KeyExistsAsync(
QsofaCalculator.CriterionKey(_encounterId, "SYSTOLIC_BP"));
sbpKeyExists.Should().BeTrue("the other active criterion must remain in Redis");
result.Outcome.Should().Be(QsofaOutcome.InsufficientCriteria);
result.ActiveCriteria.Should().Be(1);
var alert = await db.ClinicalAlerts.SingleAsync();
alert.Status.Should().Be(AlertStatus.Open,
"the existing alert is not auto-resolved when criteria drop below 2");
}
[Fact]
public async Task DuplicateAlert_Idempotent()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var r3 = await detector.ProcessObservationAsync(
_encounterId, _patientId, "SYSTOLIC_BP", 95m);
r3.Outcome.Should().Be(QsofaOutcome.AlertAlreadyOpen);
var alertCount = await db.ClinicalAlerts.CountAsync();
alertCount.Should().Be(1, "WHERE NOT EXISTS prevents duplicate QSOFA_WARNING while one is open");
var outboxCount = await db.OutboxEvents.CountAsync();
outboxCount.Should().Be(1, "outbox event must be written exactly once");
}
[Fact]
public async Task NonQsofaCode_Ignored()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
var result = await detector.ProcessObservationAsync(
_encounterId, _patientId, "HEART_RATE", 95m);
result.Outcome.Should().Be(QsofaOutcome.NotQsofaCode);
foreach (var key in QsofaCalculator.AllCriterionKeys(_encounterId))
{
var exists = await redis.GetDatabase().KeyExistsAsync(key);
exists.Should().BeFalse("non-qSOFA codes must not create Redis state");
}
}
}
@@ -0,0 +1,209 @@
using FluentAssertions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using StackExchange.Redis;
[Collection("Integration")]
public class SepsisBundleTests : IAsyncLifetime
{
private readonly ApiFixture _fixture;
private Guid _encounterId;
private Guid _patientId;
public SepsisBundleTests(ApiFixture fixture) => _fixture = fixture;
public async Task InitializeAsync()
{
using var scope = _fixture.Services.CreateScope();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await DbResetHelper.ResetAsync(db);
var patient = new Patient
{
Id = Guid.NewGuid(), Mrn = "MRN-BUNDLE-001", FirstName = "Bundle", LastName = "Test",
DateOfBirth = new DateOnly(1965, 3, 15), Gender = "F",
CreatedAt = DateTimeOffset.UtcNow
};
var encounter = new Encounter
{
Id = Guid.NewGuid(), PatientId = patient.Id, EncounterType = EncounterType.Inpatient,
Status = EncounterStatus.Active, Department = Department.Icu,
AttendingPhysician = "Dr. Bundle", AdmittedAt = DateTimeOffset.UtcNow,
CreatedAt = DateTimeOffset.UtcNow
};
db.Patients.Add(patient);
db.Encounters.Add(encounter);
await db.SaveChangesAsync();
_patientId = patient.Id;
_encounterId = encounter.Id;
var redis = scope.ServiceProvider.GetRequiredService<IConnectionMultiplexer>();
var cache = redis.GetDatabase();
foreach (var key in QsofaCalculator.AllCriterionKeys(_encounterId))
await cache.KeyDeleteAsync(key);
foreach (var key in SirsEvaluator.AllCriterionKeys(_encounterId))
await cache.KeyDeleteAsync(key);
}
public Task DisposeAsync() => Task.CompletedTask;
[Fact]
public async Task QsofaAlert_CreatesBundleWithFourOrders()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var bundle = await db.SepsisBundles
.Include(b => b.Elements)
.SingleAsync(b => b.EncounterId == _encounterId);
bundle.ComplianceStatus.Should().Be(SepsisBundleComplianceStatus.InProgress);
bundle.TriggeringAlertType.Should().Be("QSOFA_WARNING");
bundle.DeadlineAt.Should().BeCloseTo(bundle.RecognizedAt.AddHours(1), TimeSpan.FromSeconds(5));
bundle.Elements.Should().HaveCount(4);
var orders = await db.Orders
.Where(o => o.EncounterId == _encounterId)
.ToListAsync();
orders.Should().HaveCount(4);
orders.Should().AllSatisfy(o =>
{
o.Status.Should().Be(OrderStatus.Pending);
o.Description.Should().StartWith("SEP-1:");
o.OrderedBy.Should().Be("sepsis-bundle-engine");
});
var bundleOutbox = await db.OutboxEvents
.Where(e => e.Topic == "sepsis.bundle.created")
.SingleAsync();
bundleOutbox.PartitionKey.Should().Be(_encounterId.ToString());
}
[Fact]
public async Task SirsAlert_CreatesBundle()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<SirsDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "HEART_RATE", 95m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "TEMP_C", 38.5m);
var bundle = await db.SepsisBundles
.Include(b => b.Elements)
.SingleAsync(b => b.EncounterId == _encounterId);
bundle.TriggeringAlertType.Should().Be("SEPSIS_WARNING");
bundle.ComplianceStatus.Should().Be(SepsisBundleComplianceStatus.InProgress);
bundle.Elements.Should().HaveCount(4);
}
[Fact]
public async Task SecondAlert_IdempotentBundle()
{
using var scope = _fixture.Services.CreateScope();
var qsofaDetector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var sirsDetector = scope.ServiceProvider.GetRequiredService<SirsDetector>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await qsofaDetector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await qsofaDetector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var bundleCountAfterFirst = await db.SepsisBundles.CountAsync(b => b.EncounterId == _encounterId);
bundleCountAfterFirst.Should().Be(1);
await sirsDetector.ProcessObservationAsync(_encounterId, _patientId, "HEART_RATE", 95m);
await sirsDetector.ProcessObservationAsync(_encounterId, _patientId, "TEMP_C", 38.5m);
var bundleCount = await db.SepsisBundles.CountAsync(b => b.EncounterId == _encounterId);
bundleCount.Should().Be(1, "a second bundle must not be created while one is IN_PROGRESS");
var orderCount = await db.Orders.CountAsync(o => o.EncounterId == _encounterId);
orderCount.Should().Be(4, "no additional orders should be created for the duplicate bundle attempt");
}
[Fact]
public async Task OrderResulted_CompletesElement()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var bundleService = scope.ServiceProvider.GetRequiredService<ISepsisBundleService>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var lactateElement = await db.SepsisBundleElements
.Include(e => e.Order)
.SingleAsync(e => e.ElementType == SepsisBundleElementType.SerumLactate);
await bundleService.OnOrderResultedAsync(lactateElement.OrderId!.Value);
var updated = await db.SepsisBundleElements
.AsNoTracking()
.SingleAsync(e => e.Id == lactateElement.Id);
updated.Status.Should().Be(SepsisBundleElementStatus.Completed);
updated.CompletedAt.Should().NotBeNull();
var bundle = await db.SepsisBundles.AsNoTracking().SingleAsync();
bundle.ComplianceStatus.Should().Be(SepsisBundleComplianceStatus.InProgress,
"bundle should remain in progress until all 4 elements are completed");
}
[Fact]
public async Task AllElementsResulted_BundleCompliant()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var bundleService = scope.ServiceProvider.GetRequiredService<ISepsisBundleService>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var elements = await db.SepsisBundleElements.ToListAsync();
foreach (var element in elements)
await bundleService.OnOrderResultedAsync(element.OrderId!.Value);
var bundle = await db.SepsisBundles.AsNoTracking().SingleAsync();
bundle.ComplianceStatus.Should().Be(SepsisBundleComplianceStatus.Compliant);
bundle.CompletedAt.Should().NotBeNull();
bundle.CompletedAt.Should().BeBefore(bundle.DeadlineAt,
"all elements completed within the 1-hour window");
var outboxEvents = await db.OutboxEvents
.Where(e => e.Topic == "sepsis.bundle.updated")
.ToListAsync();
outboxEvents.Should().HaveCount(4, "one outbox event per element completion");
}
[Fact]
public async Task DeadlinePassed_CompletionMarksNonCompliant()
{
using var scope = _fixture.Services.CreateScope();
var detector = scope.ServiceProvider.GetRequiredService<QsofaDetector>();
var bundleService = scope.ServiceProvider.GetRequiredService<ISepsisBundleService>();
var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
await detector.ProcessObservationAsync(_encounterId, _patientId, "RESP_RATE", 24m);
await detector.ProcessObservationAsync(_encounterId, _patientId, "SYSTOLIC_BP", 95m);
var bundle = await db.SepsisBundles.SingleAsync();
bundle.DeadlineAt = DateTimeOffset.UtcNow.AddHours(-1);
await db.SaveChangesAsync();
var elements = await db.SepsisBundleElements.ToListAsync();
foreach (var element in elements)
await bundleService.OnOrderResultedAsync(element.OrderId!.Value);
var updated = await db.SepsisBundles.AsNoTracking().SingleAsync();
updated.ComplianceStatus.Should().Be(SepsisBundleComplianceStatus.NonCompliant);
updated.CompletedAt.Should().NotBeNull();
}
}