diff --git a/app/Services/Pacs/StudyImporter.php b/app/Services/Pacs/StudyImporter.php
index c9687cf..17a6536 100644
--- a/app/Services/Pacs/StudyImporter.php
+++ b/app/Services/Pacs/StudyImporter.php
@@ -7,6 +7,7 @@
 use App\Models\StudyDetails;
 use Carbon\Carbon;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log;
 
 final class StudyImporter
 {
@@ -100,7 +101,7 @@ private function prepareData(mixed $orthanc_src): array
             'institution_name' => $inst_name,
             'institute_id' => $inst_id,
 
-            'patient_uid' => $orthanc_src['ParentPatient'],
+            'patient_uuid' => strtolower($orthanc_src['ParentPatient']),
             'patient_id' => data_get($orthanc_src, 'PatientMainDicomTags.PatientID'),
             'patient_name' => data_get($orthanc_src, 'PatientMainDicomTags.PatientName'),
             'patient_sex' => data_get($orthanc_src, 'PatientMainDicomTags.PatientSex'),
@@ -120,7 +121,7 @@ private function prepareData(mixed $orthanc_src): array
             'disk_size' => data_get($orthanc_src, 'Statistics.DiskSize'),
         ];
 
-        if ((bool) $orthanc_src['IsStable']) {
+        if ((bool) data_get($orthanc_src, 'IsStable', false)) {
             $study['study_status'] = StudyLevelStatus::StudyArrived->value;
         } else {
             $study['study_status'] = StudyLevelStatus::Pending->value;
@@ -128,23 +129,46 @@ private function prepareData(mixed $orthanc_src): array
 
         $dob = data_get($orthanc_src, 'PatientMainDicomTags.PatientBirthDate');
         if (filled($dob)) {
-            $study['patient_birthdate'] = Carbon::parse($dob);
+            try {
+                $study['patient_birthdate'] = Carbon::parse($dob);
+            } catch (\Exception) {
+                Log::error('Failed to parse PatientMainDicomTags.PatientBirthDate: {dob}', ['dob' => $dob]);
+            }
         }
 
         $descr = data_get($orthanc_src, 'MainDicomTags.StudyDescription');
         if (blank($descr)) {
             $descr = data_get($orthanc_src, 'RequestedTags.AcquisitionDeviceProcessingDescription');
         }
+        if (blank($descr)) {
+            $descr = data_get($orthanc_src, 'MainDicomTags.AcquisitionDeviceProcessingDescription');
+        }
         $this->setValue($study, 'study_description', trim($descr));
 
         $properties = [
-            'software_versions' => data_get($study, 'RequestedTags.SoftwareVersions'),
-            'station_name' => data_get($study, 'RequestedTags.StationName'),
-            'operators_name' => data_get($study, 'RequestedTags.OperatorsName'),
-            'manufacturer' => data_get($study, 'RequestedTags.Manufacturer'),
-            'manufacturer_model_name' => data_get($study, 'RequestedTags.ManufacturerModelName'),
+            'other_patient_names' => data_get($orthanc_src, 'RequestedTags.OtherPatientNames'),
+            'other_patient_ids' => data_get($orthanc_src, 'RequestedTags.OtherPatientIDs'),
+            'software_versions' => data_get($orthanc_src, 'RequestedTags.SoftwareVersions'),
+            'station_name' => data_get($orthanc_src, 'RequestedTags.StationName'),
+            'operators_name' => data_get($orthanc_src, 'RequestedTags.OperatorsName'),
+            'manufacturer' => data_get($orthanc_src, 'RequestedTags.Manufacturer'),
+            'manufacturer_model_name' => data_get($orthanc_src, 'RequestedTags.ManufacturerModelName'),
+            'acquisition_date' => DicomUtils::dateTimeToCarbon(data_get($orthanc_src, 'RequestedTags.AcquisitionDate'), data_get($orthanc_src, 'RequestedTags.AcquisitionTime')),
         ];
         $properties = array_purge($properties);
+        if (empty($properties)) {
+            $properties = [
+                'other_patient_names' => data_get($orthanc_src, 'MainDicomTags.OtherPatientNames'),
+                'other_patient_ids' => data_get($orthanc_src, 'MainDicomTags.OtherPatientIDs'),
+                'software_versions' => data_get($orthanc_src, 'MainDicomTags.SoftwareVersions'),
+                'station_name' => data_get($orthanc_src, 'MainDicomTags.StationName'),
+                'operators_name' => data_get($orthanc_src, 'MainDicomTags.OperatorsName'),
+                'manufacturer' => data_get($orthanc_src, 'MainDicomTags.Manufacturer'),
+                'manufacturer_model_name' => data_get($orthanc_src, 'MainDicomTags.ManufacturerModelName'),
+                'acquisition_date' => DicomUtils::dateTimeToCarbon(data_get($orthanc_src, 'MainDicomTags.AcquisitionDate'), data_get($orthanc_src, 'MainDicomTags.AcquisitionTime')),
+            ];
+            $properties = array_purge($properties);
+        }
 
         $series = [];
         foreach (data_get($orthanc_src, 'Series', []) as $ser) {
@@ -153,6 +177,7 @@ private function prepareData(mixed $orthanc_src): array
                 'series_instance_uid' => data_get($ser, 'MainDicomTags.SeriesInstanceUID'),
                 'series_date' => DicomUtils::dateTimeToCarbon($ser['MainDicomTags']['SeriesDate'], $ser['MainDicomTags']['SeriesTime']),
                 'series_number' => data_get($ser, 'MainDicomTags.SeriesNumber'),
+                'series_description' => data_get($ser, 'MainDicomTags.SeriesDescription'),
                 'protocol_name' => data_get($ser, 'MainDicomTags.ProtocolName'),
                 'modality' => data_get($ser, 'MainDicomTags.Modality'),
                 'body_part_examined' => data_get($ser, 'MainDicomTags.BodyPartExamined'),