Chronic Pain and DepressionAmong Primary Care Patients Treated with Buprenorphine

BACKGROUND

Pain and depression are each prevalent among opioid dependent patients receiving maintenance buprenorphine, but their interaction has not been studied in primary care patients.

OBJECTIVE

We set out to examine the relationship between chronic pain, depression, and ongoing substance use, among persons maintained on buprenorphine in primary care settings.

DESIGN

Between September 2012 and December 2013, we interviewed buprenorphine patients at three practice sites.

PARTICIPANTS

Opioid dependent persons at two private internal medicine offices and a federally qualified health center participated in the study.

MAIN MEASURES

Pain was measured in terms of chronicity, with chronic pain being defined as pain lasting at least 6 months; and in terms of severity, as measured by self-reported pain in the past week, measured on a 0–100 scale. We defined mild chronic pain as pain severity between 0 and 39 and lasting at least 6 months, and moderate/severe chronic pain as severity ≥ 40 and lasting at least 6 months. To assess depression, we used the Center for Epidemiologic Studies Depression (CESD) ten-item symptom scale and the two-item Patient Health Questionnaire (PHQ-2).

KEY RESULTS

Among 328 participants, 169 reported no chronic pain, 56 reported mild chronic pain, and 103 reported moderate/severe chronic pain. Participants with moderate/severe chronic pain commonly used non-opioid pain medications (56.3 %) and antidepressants (44.7 %), yet also used marijuana, alcohol, or cocaine (40.8 %) to help relieve pain. Mean CESD scores were 7.1 (±6.8), 8.3 (±6.0), and 13.6 (±7.6) in the no chronic, mild, and moderate/severe pain groups, respectively. Controlling for covariates, higher CESD scores were associated with a higher likelihood of moderate/severe chronic pain relative to both no chronic pain (OR = 1.09, p < 0.001) and mild chronic pain (OR = 1.06, p = 0.04).

CONCLUSION

Many buprenorphine patients are receiving over-the-counter or prescribed pain medications, as well as antidepressants, and yet continue to have significant and disabling pain and depressive symptoms. There is a clear need to address the pain–depression nexus in novel ways.KEY WORDS: buprenorphine, chronic pain, depression     

Do Diabetic Patients with Acute Coronary Syndromes Have a Higher Threshold for Ischemic Pain?

Background:

Data from over 4 decades have reported a higher incidence of silent infarction among patients with diabetes mellitus (DM), but recent publications have shown conflicting results regarding the correlation between DM and presence of pain in patients with acute coronary syndromes (ACS).

Objective:

Our primary objective was to analyze the association between DM and precordial pain at hospital arrival. Secondary analyses evaluated the association between hyperglycemia and precordial pain at presentation, and the subgroup of patients presenting within 6 hours of symptom onset.

Methods:

We analyzed a prospectively designed registry of 3,544 patients with ACS admitted to a Coronary Care Unit of a tertiary hospital. We developed multivariable models to adjust for potential confounders.

Results:

Patients with precordial pain were less likely to have DM (30.3%) than those without pain (34.0%; unadjusted p = 0.029), but this difference was not significant after multivariable adjustment, for the global population (p = 0.84), and for subset of patients that presented within 6 hours from symptom onset (p = 0.51). In contrast, precordial pain was more likely among patients with hyperglycemia (41.2% vs 37.0% without hyperglycemia, p = 0.035) in the overall population and also among those who presented within 6 hours (41.6% vs. 32.3%, p = 0.001). Adjusted models showed an independent association between hyperglycemia and pain at presentation, especially among patients who presented within 6 hours (OR = 1.41, p = 0.008).

Conclusion:

In this non-selected ACS population, there was no correlation between DM and hospital presentation without precordial pain. Moreover, hyperglycemia correlated significantly with pain at presentation, especially in the population that arrived within 6 hours from symptom onset.     

Congenital lobar emphysema: 30-year case series in two university hospitals

OBJECTIVE:

To review the cases of patients with congenital lobar emphysema (CLE) submitted to surgical treatment at two university hospitals over a 30-year period.

METHODS:

We reviewed the medical records of children with CLE undergoing surgical treatment between 1979 and 2009 at the Botucatu School of Medicine Hospital das Clínicas or the Mogi das Cruzes University Hospital. We analyzed data regarding symptoms, physical examination, radiographic findings, diagnosis, surgical treatment, and postoperative follow-up.

RESULTS:

During the period studied, 20 children with CLE underwent surgery. The mean age at the time of surgery was 6.9 months (range, 9 days to 4 years). All of the cases presented with symptoms at birth or during the first months of life. In all cases, chest X-rays were useful in defining the diagnosis. In cases of moderate respiratory distress, chest CT facilitated the diagnosis. One patient with severe respiratory distress was misdiagnosed with hypertensive pneumothorax and underwent chest tube drainage. Only patients with moderate respiratory distress were submitted to bronchoscopy, which revealed no tracheobronchial abnormalities. The surgical approach was lateral muscle-sparing thoracotomy. The left upper and middle lobes were the most often affected, followed by the right upper lobe. Lobectomy was performed in 18 cases, whereas bilobectomy was performed in 2 (together with bronchogenic cyst resection in 1 of those). No postoperative complications were observed. Postoperative follow-up time was at least 24 months (mean, 60 months), and no late complications were observed.

CONCLUSIONS:

Although CLE is an uncommon, still neglected disease of uncertain etiology, the radiological diagnosis is easily made and surgical treatment is effective.     

Patient-Reported Quality of Pain Treatment and Use of Interpreters in Spanish-Speaking Patients Hospitalized for Obstetric and Gynecological Care

BACKGROUND

Assessment and treatment of pain are based largely on patient’s self reports. Patients with limited English proficiency (LEP) may have difficulties communicating their pain symptoms in the presence of language barriers.

OBJECTIVE

To determine whether interpreter use was associated with quality of acute pain treatment among Latina patients with limited English proficiency.

DESIGN

Secondary analysis of two cross-sectional surveys.

PARTICIPANTS

One hundred and eighty-five Latino female patients hospitalized for obstetric and gynecological care who required interpreter services. Patients were classified into two groups according to interpreter availability (''Always'' and ''Not Always'' available).

MAIN MEASURES

Quality of pain treatment was measured by patient report of 1) overall level of pain control during hospitalization; 2) timeliness of pain treatment; and 3) perceived provider helpfulness to treat pain.

KEY RESULTS

Patients who always received interpreters were more likely to report higher levels of pain control (P = 0.02), timely pain treatment (P = 0.02), and greater perceived provider helpfulness to treat their pain (P = 0.005), compared with patients who not always received interpreters.

CONCLUSION

Use of interpreters by LEP patients was associated with better patient reports on quality of pain treatment, and may also improve clinical interactions related to pain.KEY WORDS: interpreters, limited English proficiency, Latinos/Latinas, pain, pain treatment     

Clinical Characteristics of Microscopic Colitis in Korea: Prospective Multicenter Study by KASID

Background/Aims

Microscopic colitis (MC) encompasses collagenous and lymphocytic colitis and is characterized by chronic diarrhea. In cases of MC, colonic mucosae are macroscopically normal, and diagnostic histopathological features are observed only upon microscopic examination. We designed a prospective multicenter study to determine the clinical features, pathological distribution in the colon and prevalence of MC in Korea.

Methods

We prospectively enrolled patients having watery diarrhea no more than 3 times a day between March 2008 and February 2009. We obtained patient histories and performed colonoscopies with random biopsies at each colon segment.

Results

A total of 100 patients with chronic diarrhea were enrolled for a normal colonoscopy and stool exam. MC was observed in 22 patients (22%) (M:F 1.2:1; mean age, 47.5 years). Of those 22 patients, 18 had lymphocytic colitis and 4 had collagenous colitis. The entire colon was affected in only 3 cases (13.6%), the ascending colon in 6 cases (27.2%), the transverse colon in 3 cases (13.6%), and the left colon in 3 cases (13.6%). More than 2 segments were affected in 7 cases (31.8%). Nonsteroidal anti-inflammatory drug-associated MCs were observed in 4 cases (18.2%), 3 of which showed improved diarrhea symptoms following discontinuation of the medication. Frequently associated symptoms were abdominal pain and weight loss. Autoimmune diseases were observed in 4 cases (18.2%). Half of the 22 patients with MC improved with conservative care by loperamide or probiotics.

Conclusions

In a prospective multicenter study of Korean patients with chronic diarrhea, the frequency of MC was found to be approximately 20%, similar to the percentage observed in Western countries. Therefore, the identification of MC is important for the adequate management of Korean patients with chronic diarrhea.     

Vertical P-wave axis: the electrocardiographic synonym for pulmonary emphysema and its severity

Background

The correlation between vertical P-wave axis (P-axis > 60°) and pulmonary emphysema was investigated on a very large controlled series to see if P-axis verticalisation as lone criterion can be effectively used to screen emphysema in general population. Correlation between degrees of P-axis verticalisation and the severity of the obstructive lung disease (as per global initiative for chronic obstructive lung disease [GOLD] criteria) was also studied to see if this criterion can be used for gross quantification of the chronic obstructive pulmonary disease (COPD) in routine clinical practice.

Materials and methods

Around 6500 unselected, routine electrocardiograms (ECGs) were reviewed which yielded 600 ECGs with vertical P-axis in sinus rhythm. 635 ECGs from the same continuum were selected with P-axis ≤60° matched for patient''s age and sex serving as controls. Charts were reviewed for the diagnosis of COPD and emphysema based on medical history, pulmonary function tests, and imaging studies.

Results

Prevalence of emphysema in patients with vertical P-axis was strikingly higher than in the control group: 85% vs 4.4%. The sensitivity and specificity of vertical P-axis for diagnosing emphysema was 94.76% and 86.47%, respectively. Vertical P-axis and forced expiratory volume (FEV1) were inversely correlated (Pearson correlation coefficient=−0.683). Prevalence of severe COPD was strikingly higher in patients with P-axis > 75° as compared to the group with P-axis 60°–75°: 96.3% vs 4.6%. Close to 80% of the emphysema patients with P-axis > 85° had very severe disease (FEV1 < 30%).

Conclusion

P-axis verticalisation is highly effective for screening emphysema and degree of verticalisation provides a gross quantification of the disease.     

Correlation between myocardial enzyme serum levels and markers of inflammation with severity of coronary artery disease and Gensini score: A hospital-based,prospective study in Greek patients

Background

Our objective was to associate serum levels of myocardial enzymes and inflammatory biomarkers with severity of coronary artery disease (CAD).

Patients and methods

123 patients participated in our study, including 65 cases of acute myocardial infarction (MI), 27 cases of newly diagnosed CAD – without MI – and 31 controls. In all subjects, myocardial serum enzyme levels (creatine phosphokinase, aspartate aminotransferase, lactate dehydrogenase) and inflammatory indices (C-reactive protein, fibrinogen, white blood cells, and erythrocyte sedimentation rate) were measured. Patients were all submitted to coronary angiography and CAD severity was evaluated by Gensini score.

Results

Significant differences concerning enzyme serum levels and inflammatory indices were found to exist between the three study groups, being highest among patients with acute MI (p < 0.001). A significant association was demonstrated between Gensini score and serum enzyme levels as well as inflammatory biomarkers.

Conclusions

Our findings suggest that serum levels of myocardial enzymes and inflammatory indices correlate with CAD severity in Greek patients.     

Persistent sputum cellularity and neutrophils may predict bronchiectasis

BACKGROUND:

Quantitative cell counts in sputum provide an accurate assessment of the type and severity of bronchitis.

OBJECTIVE:

To examine whether sputum cell counts could identify bronchiectasis in patients with recurrent bronchitis.

METHODS:

A retrospective survey of a clinical database (January 2004 to January 2005) of quantitative cell counts from sputum selected from expectorate in patients with obstructive airways diseases was used to identify predictors of bronchiectasis using ROC curves. This was prospectively evaluated (February 2005 to April 2008) using high-resolution computed tomography scans of thorax that were independently scored by a radiologist who was blinded to the clinical details.

RESULTS:

The retrospective survey identified 41 patients with bronchiectasis among 490 patients with airway diseases. Total cell count of 60×10⁶/g or greater of the selected sputum with predominant neutrophils on two occasions had a sensitivity of 86.7%, a specificity of 87.5%, and positive and negative predictive values of 93% and 78%, respectively, to identify bronchiectasis. In the prospective study, 10 of 14 (71%) patients who met these criteria were identified to have bronchiectasis. Both total cell count and the percentage of neutrophils correlated with radiographic bronchiectasis severity.

CONCLUSIONS:

Persistent or recurrent intense sputum cellularity with neutrophilia is suggestive of bronchiectasis.     

Symptomatic change and gastrointestinal quality of life after pancreatectomy

Background

Pancreatectomy affects gastrointestinal (GI) symptoms. Our purpose was to assess the quality of life of pancreatectomy patients in relation to GI function.

Methods

Pancreatectomy patients were asked qualitative, open-ended questions about symptoms. They also completed the Gastrointestinal Symptom Rating Scale (GSRS) for reflux syndrome, acute pain syndrome, indigestion syndrome, diarrhoea syndrome and constipation syndrome.

Results

A total of 52 patients participated. Of these, 69% reported an improvement and 31% reported no change in preoperative symptoms. No patients reported a worsening of symptoms. Half (50%) of the patients experienced new, different symptoms. Median GSRS scores were 0 for reflux syndrome [interquartile range (IQR): 0–1.0], 0 for acute pain syndrome (IQR: 0–1.0), 2.0 for indigestion syndrome (IQR: 1.0–4.0), 2.0 for diarrhoea syndrome (IQR: 0.5–4.5), and 0 for constipation syndrome (IQR: 0–1.0). Whipple operation patients scored higher on the reflux syndrome (0.5 vs. 0; P = 0.08) and indigestion syndrome (3.5 vs. 1.5; P = 0.06) domains. A total of 68% of Whipple operation patients experienced new symptoms, compared with 32% of patients who had undergone other types of pancreatectomy (P = 0.002). Scores of patients who had undergone surgery <2 years and >2 years earlier, respectively, did not differ.

Conclusions

Patients who underwent pancreatectomy frequently experienced an improvement in preoperative symptoms, but also experienced new postoperative symptoms. This was more common after Whipple operations. However, these symptoms were relatively mild in severity. These mild symptoms seem to persist over time.     

Hospital volume and other risk factors for in-hospital mortality among diverticulitis patients: A nationwide analysis

BACKGROUND:

Previous studies have found that a higher volume of colorectal surgery was associated with lower mortality rates. While diverticulitis is an increasingly common condition, the effect of hospital volume on outcomes among diverticulitis patients is unknown.

OBJECTIVE:

To evaluate the relationship between hospital volume and other factors on in-hospital mortality among patients admitted for diverticulitis.

METHODS:

Data from the Nationwide Inpatient Sample (years 1993 to 2008) were analyzed to identify 822,865 patients representing 4,108,726 admissions for diverticulitis. Hospitals were divided into quartiles based on the volume of diverticulitis cases admitted over the study period, adjusted for years contributed to the dataset. Mortality according to hospital volume was modelled using logistic regression adjusting for age, sex, race, comorbidities, health care insurance, admission type, calendar year, colectomy, disease severity and clustering. Risk estimates were expressed as adjusted ORs with 95% CIs.

RESULTS:

Patients at high-volume hospitals were more likely to be admitted emergently, undergo surgical treatment and have more severe disease. In-hospital mortality was higher among the lowest quartile of hospital volume compared with the highest volume (OR 1.13 [95% CI 1.05 to 1.21]). In-hospital mortality was increased among patients admitted emergently (OR 2.58 [95% CI 2.40 to 2.78]) as well as those receiving surgical treatment (OR 3.60 [95% CI 3.42 to 3.78]).

CONCLUSIONS:

Diverticulitis patients admitted to hospitals with a low volume of diverticulitis cases had an increased risk for death compared with those admitted to high-volume centres.     

Moderate and severe postendoscopic retrograde cholangiopancreatography pancreatitis despite prophylactic pancreatic stent placement: the effect of early prophylactic pancreatic stent dislodgement

BACKGROUND:

Placement of prophylactic pancreatic stents (PPS) is a method proven to reduce the rate and severity of postendoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP) in high-risk patients; however, PPS do not eliminate the risk completely. Early PPS dislodgement may occur prematurely and contribute to more frequent or severe PEP.

OBJECTIVE:

To determine the effect of early dislodgement of PPS in patients with moderate or severe PEP.

METHOD:

A total of 27,176 ERCP procedures from January 1994 to September 2007 for PPS placement in high-risk patients were analyzed. Patient and procedure data were analyzed to assess risk factors for PEP, and to evaluate the severity of pancreatitis, length of hospitalization and subsequent complications. Timing of stent dislodgment was assessed radiographically.

RESULTS:

PPS were placed in 7661 patients. Of these, 580 patients (7.5%) developed PEP, which was graded as mild in 460 (6.0%), moderate in 87 (1.1%) and severe in 33 (0.4%). Risk factors for developing PEP were not different in patients who developed moderate PEP compared with those with severe PEP. PPS dislodged before 72 h in seven of 59 (11.9%) patients with moderate PEP and five of 27 (18.5%) patients with severe PEP (P=0.505). The mean (± SD) length of hospitalization in patients with moderate PEP with stent dislodgement before and after 72 h were 7.43±1.46 days and 8.37±1.16 days, respectively (P=0.20). The mean length of hospitalization in patients with severe PEP whose stent dislodged before and after 72 h were 21.6±6.11 and 22.23±3.13 days, respectively (P=0.96).

CONCLUSION:

Early PPS dislodgement was associated with moderate and severe PEP in less than 20% of cases and was not associated with a more severe course. Factors other than ductal obstruction contribute to PEP in high-risk patients undergoing ERCP and PPS placement.     

Admission is not always necessary for patients with community-acquired pneumonia in risk classes IV and V diagnosed in the emergency room

OBJECTIVE:

To determine the factors that allow patients with community-acquired pneumonia who are at high risk of mortality (risk classes IV and V) to be treated at home.

DESIGN:

A prospective, observational study.

SETTING:

Six hospitals and one free-standing emergency room in Edmonton, Alberta.

PARTICIPANTS:

The present study included 2354 patients in risk classes IV and V who had a diagnosis of pneumonia made by an emergency room physician or an internist.

MEASUREMENTS:

Symptoms, signs and laboratory findings, as well as outcome measures of length of stay and mortality.

RESULTS:

Of the total study group, 319 of the patients (13.5%) were treated on an ambulatory basis. Factors predictive of admission were definite or possible pneumonia on chest radiograph as read by a radiologist, functional impairment, altered mental status, substance abuse, psychiatric disorder, abnormal white blood cell count, abnormal lymphocyte count, oxygen saturation less than 90% and antibiotic administration in the week before admission. If chest pain was present, admission was less likely. Only two of the 319 patients required subsequent admission (both had positive blood cultures) and only two died.

CONCLUSIONS:

A substantial number of patients in risk classes IV and V can be safely treated at home. Factors that help clinicians to select this subset of patients are discussed.     

Thoracic textilomas: CT findings

OBJECTIVE:

The aim of this study was to analyze chest CT scans of patients with thoracic textiloma.

METHODS:

This was a retrospective study of 16 patients (11 men and 5 women) with surgically confirmed thoracic textiloma. The chest CT scans of those patients were evaluated by two independent observers, and discordant results were resolved by consensus.

RESULTS:

The majority (62.5%) of the textilomas were caused by previous heart surgery. The most common symptoms were chest pain (in 68.75%) and cough (in 56.25%). In all cases, the main tomographic finding was a mass with regular contours and borders that were well-defined or partially defined. Half of the textilomas occurred in the right hemithorax and half occurred in the left. The majority (56.25%) were located in the lower third of the lung. The diameter of the mass was ≤ 10 cm in 10 cases (62.5%) and > 10 cm in the remaining 6 cases (37.5%). Most (81.25%) of the textilomas were heterogeneous in density, with signs of calcification, gas, radiopaque marker, or sponge-like material. Peripheral expansion of the mass was observed in 12 (92.3%) of the 13 patients in whom a contrast agent was used. Intraoperatively, pleural involvement was observed in 14 cases (87.5%) and pericardial involvement was observed in 2 (12.5%).

CONCLUSIONS:

It is important to recognize the main tomographic aspects of thoracic textilomas in order to include this possibility in the differential diagnosis of chest pain and cough in patients with a history of heart or thoracic surgery, thus promoting the early identification and treatment of this postoperative complication.     

Comparative analysis of selected scales to assess prognosis in acute pancreatitis

OBJECTIVE:

To evaluate the utility of selected scales to prognosticate the severity and risk for death among patients with acute pancreatitis (AP) according to the revised Atlanta classification published in 2012.

METHODS:

Prospective data regarding patients hospitalized due to AP were analyzed. The final analysis included a total of 1014 patients. The bedside index for severity in acute pancreatitis (BISAP), Panc 3 scores and Ranson scales were calculated using data from the first 24 h of admission.

RESULTS:

Mild AP was diagnosed in 822 (81.1%) cases, moderate in 122 (12%) and severe in 70 (6.9%); 38 (3.7%) patients died. The main causes of AP were cholelithiasis (34%) and alcohol abuse (26.7%). Recurrence of AP was observed in 244 (24.1%) patients. In prognosticating the severity of AP, the most useful scale proved to be the Acute Physiology and Chronic Health Evaluation (APACHE) II (area under the curve [AUC] 0.724 [95% CI 0.655 to 0.793]), followed by BISAP (AUC 0.693 [95% CI 0.622 to 0.763]). In prognosticating a moderate versus mild course of AP, the CT severity index proved to be the most decisive (AUC 0.819 [95% CI 0.767 to 0.871]). Regarding prognosis for death, APACHE II had the highest predictive value (AUC 0.726 [95% CI 0.621 to 0.83]); however, a similar sensitivity was observed using the BISAP scale (AUC 0.707 [95% CI 0.618 to 0.797]).

CONCLUSIONS:

Scoring systems used in prognosticating the course of the disease vary with regard to sensitivity and specificity. The CT severity index scoring system showed the highest precision in prognosticating moderately severe AP (as per the revised Atlanta criteria, 2012); however, in prognosticating a severe course of disease and mortality, APACHE II proved to have the greatest predictive value.     

Intervention to Improve Care at Life’s End in Inpatient Settings: The BEACON Trial

Background

Widespread implementation of palliative care treatment plans could reduce suffering in the last days of life by adopting best practices of traditionally home-based hospice care in inpatient settings.

Objective

To evaluate the effectiveness of a multi-modal intervention strategy to improve processes of end-of-life care in inpatient settings.

Design

Implementation trial with an intervention staggered across hospitals using a multiple-baseline, stepped wedge design.

Participants

Six Veterans Affairs Medical Centers (VAMCs).

Intervention

Staff training was targeted to all hospital providers and focused on identifying actively dying patients and implementing best practices from home-based hospice care, supported with an electronic order set and paper-based educational tools.

Main Measures

Several processes of care were identified as quality endpoints for end-of-life care (last 7 days) and abstracted from electronic medical records of veterans who died before or after intervention (n = 6,066). Primary endpoints were proportion with an order for opioid pain medication at time of death, do-not-resuscitate order, location of death, nasogastric tube, intravenous line infusing, and physical restraints. Secondary endpoints were administration of opioids, order/administration of antipsychotics, benzodiazepines, and scopolamine (for death rattle); sublingual administration; advance directives; palliative care consultations; and pastoral care services. Generalized estimating equations were conducted adjusting for longitudinal trends.

Key Results

Significant intervention effects were observed for orders for opioid pain medication (OR: 1.39), antipsychotic medications (OR: 1.98), benzodiazepines (OR: 1.39), death rattle medications (OR: 2.77), sublingual administration (OR: 4.12), nasogastric tubes (OR: 0.71), and advance directives (OR: 1.47). Intervention effects were not significant for location of death, do-not-resuscitate orders, intravenous lines, or restraints.

Conclusions

This broadly targeted intervention strategy led to modest but statistically significant changes in several processes of care, indicating its potential for widespread dissemination to improve end-of-life care for thousands of patients who die each year in inpatient settings.

Electronic supplementary material

The online version of this article (doi:10.1007/s11606-013-2724-6) contains supplementary material, which is available to authorized users.KEY WORDS: palliative care, end-of-life care, palliative medicine, hospice, inpatient     

Angiotensin-converting enzyme gene DD genotype neither increases susceptibility to acute pancreatitis nor influences disease severity

Background

The renin-angiotensin system (RAS) has been implied in the pathogenesis of various diseases including acute and chronic pancreatitis. Angiotensin-converting enzyme (ACE) is the key enzyme in activating the RAS. Deletion (D)-type polymorphism in the 16th intron of the ACE gene has been associated with higher serum levels of the enzyme. Inhibition of ACE was found to ameliorate acute pancreatitis in animal models suggesting that ACE plays a role in pathogenesis and progression of acute pancreatitis. Objectives were to investigate the occurrence of the ACE insertion/deletion (I/D) polymorphism in acute pancreatitis patients and its association with the severity of the disease.

Material and Methods

Seventy-nine acute pancreatitis patients and 95 healthy controls were evaluated. Acute pancreatitis cases were grouped as mild or severe according to the Atlanta criteria. Main outcome measure: The presence of the ACE I/D polymorphism.

Results

ACE gene I and D allele frequency of patients (44% and 56%) were similar to controls (45% and 55%, respectively). There were no significant differences in severity of pancreatitis between patients with the ACE-insertion or ACE-insertion/deletion versus ACE-deletion genotypes.

Conclusions

The ACE gene deletion polymorphism is neither a risk factor for development of acute pancreatitis nor contributes to the severity of disease or development of complications.     

The ‘natural history’ of declined outpatient gastroenterology referrals

OBJECTIVE:

To evaluate the ‘natural history’ of outpatients who were referred to the Division of Gastroenterology at the University of Alberta Hospital (Edmonton, Alberta) for gastrointestinal problems and were subsequently declined.

METHODS:

Patients were tracked for 12 months after they were referred and declined for the following indications: abdominal pain, rectal bleeding, fecal occult blood test-positive stools and iron deficiency. For each patient, data regarding consultations by other gastroenterologists or surgeons working in the region, clinically relevant diagnoses and the number of gastrointestinal-related x-rays performed were obtained.

RESULTS:

Of a total sample size of 230 patients, 110 (47.8%) were seen by another gastroenterologist or surgeon after decline. A significant diagnosis was made in 21 patients (9.1%), which had immediate clinical consequences in 29%. Forty per cent of patients underwent one or more gastointestinal-related x-rays before being declined, which increased to 55% after decline.

CONCLUSION:

Approximately 50% of declined patients were seen by other gastroenterologists or surgeons in the region. In 9.1% of these patients, a clinically important diagnosis was made, of which one-quarter had immediate medical consequences.