Complications were noted

A total of 49 patients were

Complications were noted.

A total of 49 patients were included in the

study (mean age 65.6 +/- A 10.6 years). VAS leg and back pain, ODI, and JOA scores significantly changed from before surgery to 3 years after surgery (P < 0.001). Mean changes see more (95 % confidence interval) were -6.2 (-6.7, -5.7), -4.3 (-4.8, -3.8), -21.4 (-23.4, -19.5), and 13.4 (12.1, 14.7) for leg pain, back pain, ODI, and JOA scores, respectively. Patients experienced significant improvements in walking tolerance and leg numbness (P < 0.001). There were no instances of recurrent stenosis or postoperative spinal instability. Complications included intraoperative dural tear (n = 2), postoperative urinary tract infection (n = 2), and inadequate decompression and junctional stenosis during follow-up (both n = 1).

Sublaminar-trimming laminoplasty shows promise as an effective treatment for extensive lumbar canal stenosis.”
“Recent progress in engineering microvascular networks in vitro and in vivo offers exciting opportunities to create tissue constructs with preformed blood vessels, which are rapidly blood perfused by developing interconnections to the preexisting blood vessels of the host tissue after implantation. This

VX-680 process, termed as inosculation, is well known from the revascularization of various tissue grafts, such as transplanted skin, nerves, or bone. It is characterized Proteasome purification by the close interaction of the implant’s preformed microvascular network and the host microvasculature. The sprouting angiogenic activity of both counterparts determines whether inosculation

takes place internally within the implant or externally within the surrounding host tissue. Successful inosculation involves vascular remodeling as well as infiltration of inflammatory cells and stem cells. With the use of sophisticated in vitro and in vivo models, more detailed analysis of regulatory mechanisms of inosculation will help to develop novel strategies, aiming at further accelerating the establishment of a life-sustaining blood supply to implanted tissue constructs.”
“Autoimmune polyendocrinopathy candidiasis ectodermal dystrophy (APECED) is a rare autosomal recessive disease, caused by mutations of a single gene named autoimmune regulator gene (AIRE) which results in a failure of T cell tolerance within the thymus. Chronic mucocutaneous candidiasis, chronic hypoparathyroidism, and Addison’s disease are the hallmarks of the syndrome. APECED is also characterized by several autoimmune endocrine and nonendocrine manifestations, and the phenotype is often complex.

Further studies are needed to better predict respiratory arrests

Further studies are needed to better predict respiratory arrests and identify selleck kinase inhibitor interventions to reduce incidence and improve outcomes. Crown Copyright (C) 2013 Published by Elsevier Ireland Ltd. All rights reserved.”
“Purpose: To assess the efficacy and safety of laparoendoscopic single-site adrenalectomy (LESS-A) and conventional laparoscopic adrenalectomy (LA) as a systematic review and meta-analysis of current evidence.

Methods: We conducted a thorough search for comparative studies that compared LESS-A and

conventional LA in the following databases: MEDLINE, EMBASE, and the Cochrane library. Studies were reviewed independently and rated by Newcastle-Ottawa Quality Assessment 3-deazaneplanocin A cost Scale. The operative time, estimated blood loss in operation, the time to resume oral intake after surgery, postoperative hospital stay, and the visual analog pain scale (VAPS) score were included for analysis to compare the efficacy, while the complications together with the analgesia use were included for analysis to compare the safety.

Results: Nine studies

with 171 LESS-A cases and 272 conventional LA cases were identified. Although operative time was longer in LESS-A (mean difference [MD] 15.46, 95% confidence interval [CI] 11.18 to 19.74), estimated blood loss (MD 4.72, 95% CI 12.08 to 21.52) and the time to resume oral intake (MD -0.04, 95% CI -0.19 to 0.11) were similar; LESS-A presented a shorter postoperative stay in hospital (MD -0.60, 95% CI -0.86 to -0.35) and lower VAPS score (MD -1.21, 95% CI -1.44 to -0.97). Besides, the risk of minor postoperative complications (risk ratio [RR] 1.74, 95% CI 0.78 to 3.87) was similar.

The postoperative analgesia demand in total (RR 0.65, 95% CI 0.52 to 0.81) together with the analgesia usage lasting more than 24 hours after surgery (RR 0.35, 95% CI 0.21 to 0.58) were associated with lower risk in LESS-A, however.

Conclusions: Based on PHA-739358 ic50 current evidence, the operative time seems to be longer in LESS-A; however, operative blood loss and complications are similar. In addition, LESS-A presents a shorter hospital stay after surgery and more acceptable perception of pain than conventional LA.”
“Aim: The human fetoplacental vasculature has been suggested to be a low resistance/high flow system, but the mechanisms by which this state is achieved are unclear.

Methods: This study assessed the effects of intraluminal flow and local oxygenation on isolated human placental chorionic plate arteries and veins at term using pressure myography.

Results: Chorionic plate arteries and veins exhibit myogenic tone. A small but significant arterial vasodilatation was observed following exposure to hypoxia; chorionic plate veins contracted to a similar hypoxic stimulus. Under physiological conditions of pressure and oxygenation, increased luminal flow induced contraction in both chorionic plate arteries and veins.

We report the case of a patient, suffering from acute lymphoblast

We report the case of a patient, suffering from acute lymphoblastic leukemia, who after bone marrow transplantation developed a facial rash due to D. folliculorum mimicking GVHD. Differential diagnosis of facial rashes and demodicidosis after BMT is reviewed.”

To assess the maintenance of the effect of duloxetine in the treatment of chronic low back



Patients (N = 181) with chronic low back pain entered a 41-week extension phase after completing a 13-week placebo-controlled treatment phase. The maintenance of C59 Wnt concentration the effect was assessed in patients taking duloxetine 60/120 mg/day who met the response criteria (>= 30% reduction in Brief Pain Inventory average Napabucasin pain) at the end of the placebo-controlled phase. In addition, physical function was evaluated using the

Roland-Morris Disability Questionnaire, the Clinical Global Impressions-Severity of Illness, and the Brief Pain Inventory Pain Severity and Interference ratings. Quality of life, safety, and tolerability outcomes were also assessed. Finally, placebo-treated patients were switched to duloxetine 60 mg/day at the beginning of the extension phase and their response to treatment is also reported.


Initial responders to duloxetine treatment demonstrated further significant improvement (within-group) in pain, physical function, and quality of life. Significant within-group improvements were

also observed in the extension phase for placebo-treated patients who were switched to duloxetine. Duloxetine was well tolerated with no new safety findings reported.


In this study, the analgesic effect of duloxetine Stem Cell Compound Library manufacturer in patients with chronic low back pain was not only maintained for 41 weeks, but additional statistically significant improvement in pain and function was observed.”
“Kawasaki Disease (KD) is primarily a childhood vasculitis of mid-size muscular arteries, of which the coronary arteries (CA) are most clinically significant. Although timely treatment with pooled intravenous immunoglobulin (IVIG) has significantly reduced CA pathology, as determined by ECHO cardiology, about 30% of children still develop potentially fatal aneurysms, thrombi, or stenosis. This paper describes several additional pathologies and phenomena of undetermined significance, e.g. myocarditis, endocarditis with fibroelastosis, adrenal medullary necrosis, arterial smooth muscle cell transition into proliferating myofibroblasts, pneumonia in patients dying from KD, and calcification of organizing thrombi.”
“A male Caucasian patient developed nodular erythematous skin lesions, malaise, and clinical signs of progressive heart failure 4 months after renal transplantation.

Strain-induced crystallization was investigated by the modified M

Strain-induced crystallization was investigated by the modified Mooney-Rivlin equation and showed the earliest appearance and strongest ability of the crystallization of the NR/N330 composite at the largest

amount of bound rubber. The study on the viscoelastic properties by dynamic mechanical analysis confirmed that the NR/N330 composite had the largest viscoelastic contribution, which was attributed to the viscoelastic dissipation in the viscoelastic region in front of the crack tip. All of these results confirm the best crack-propagation resistance of NR filled with N330. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 3441-3447, 2010″
“Objective. Optical coherence tomography (OCT) has emerged selleck screening library as a high-resolution noninvasive clinical imaging application. The purpose of this study was to show OCT images of human labial glands obtained using a swept-source (SS) OCT system.

Study design. Labial gland OCT imaging was carried out using our new SS-OCT system for 5 healthy volunteers using a hand-held in vivo OCT scanning probe. The labial tissue was scanned in a superior to inferior direction in 2 and 3 dimensions.

Results. The resulting 2- and 3-dimensional ultrahigh-resolution images of in vivo OCT human labial minor salivary glands revealed the epithelium, connective tissue, lobes, and duct. OCT was capable of providing simultaneous 3-Methyladenine concentration and

noninvasive structural information with high resolution.

Conclusion. Napabucasin chemical structure This clinical imaging modality promises to have clinical impact in the diagnosis of such conditions as Sjogren syndrome and xerostomia. (Oral Surg Oral Med Oral Pathol

Oral Radiol Endod 2009; 108: 425-429)”
“Background: Mice with genetic deficiencies in adaptive immunity are used for the grafting of human cells or pathogens, to study human diseases, however, the innate immune responses to xenografts in these mice has received little attention. Using the NOD/SCID Plasmodium falciparum mouse model an analysis of innate defences responsible for the substantial control of P. falciparum which remains in such mice, was performed.

Methods: NOD/SCID mice undergoing an immunomodulatory protocol that includes, clodronate-loaded liposomes to deplete macrophages and an anti-polymorphonuclear leukocytes antibody, were grafted with human red blood cells and P. falciparum. The systematic and kinetic analysis of the remaining innate immune responses included the number and phenotype of peripheral blood leukocytes as well as inflammatory cytokines/chemokines released in periphery. The innate responses towards the murine parasite Plasmodium yoelii were used as a control.

Results: Results show that 1) P. falciparum induces a strong inflammation characterized by an increase in circulating leukocytes and the release of inflammatory cytokines; 2) in contrast, the rodent parasite P.

Most commercial embolic agents have a low degree of crystallinity

Most commercial embolic agents have a low degree of crystallinity, and the correlation between the drug-delivery rate and the degree of crystallinity is not selleck compound fully understood. This study presents the appropriated synthesis conditions for the preparation of highly crystalline poly(vinyl alcohol) and poly(vinyl alcohol)/poly(vinyl acetate) microspheres and physicochemical characterizations by scanning electron microscopy, X-ray diffraction, differential scanning calorimetry, and cross-polarization/magic angle spinning nuclear magnetic resonance.

(C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 1417-1423, 2011″
“Objectives: A randomized, double-blind, double-dummy, multicenter international study was conducted to assess the clinical and bacteriologic response, safety, and compliance of a single 60-mg/kg dose of azithromycin INCB024360 extended-release (ER) versus a 10-day regimen of amoxicillin/clavulanate 90/6.4

mg/kg per day in children with acute otitis media at high risk of persistent or recurrent middle ear infection.

Methods: Children aged 3 to 48 months were enrolled and stratified into two age groups (<= 24 months and >24 months). Pretreatment tympanocentesis was performed at all sites and was repeated during treatment at selected sites.

Results: The primary endpoint, clinical response at the test-of-cure visit in the bacteriologic eligible population, was achieved in 80.5% of children in the azithromycin ER group and 84.5% of children in the amoxicillin/clavulanate group (difference -3.9%; 95% confidence interval

-10.4, 2.6). Bacteriologic eradication was 82.6% in the azithromycin ER group and 92% in the amoxicillin/clavulanate group (p = 0.050). Children who received amoxicillin/clavulanate had significantly higher rates buy AZD9291 of dermatitis and diarrhea, a greater burden of adverse events, and a lower rate of compliance to study drug compared to those who received azithromycin ER.

Conclusions: A single 60-mg/kg dose of azithromycin ER provides near equivalent effectiveness to a 10-day regimen of amoxicillin/clavulanate 90/6.4 mg/kg per day in the treatment of children with acute otitis media. (C) 2011 International Society for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.”
“Ritonavir is an antiretroviral drug characterized by low solubility and high permeability which corresponds to BCS class II drug. The purpose of the study was to develop solid dispersion by different methods and investigate them for in vitro and in vivo performance for enhancing dissolution and bioavailability, respectively. Since the drug possesses food-related absorption, the effect of biorelevant media (FaSSIF and FeSSIF state) on dissolution behavior was also studied.

Furthermore, detection of oestrus was performed every 12 h betwee

Furthermore, detection of oestrus was performed every 12 h between 24 and 72

h after the second injection of cloprostenol, and the luteolytic effect was verified by US. In Experiment 1, all goats that had corpora lutea at timing of treatment regressed their corpora lutea. In Experiment 2, the occurrence of oestrus and the interval between treatment to onset of oestrus were: 100%, 49.5 +/- 3.0 h; 100%, 51.0 +/- 3.0 h; and 75%, 56.0 +/- 3.5 h for H, M and L groups, respectively. The development of preovulatory follicles and occurrence of subsequent corpora lutea were similar among groups. In summary, the use of 26.25 mu g of cloprostenol is effective for the synchronization of oestrus in cyclic goats.”
“Objective: To evaluate the levels of plasmatic and synovial Coll2-1, Coll2-1NO(2) and myeloperoxidase (MPO) in horses with osteochondral lesions of the tarsocrural joint and to investigate how these levels relate to arthroscopic findings

AZD1480 manufacturer of inflammation and degeneration.

Materials and methods: Venous blood and synovial fluid samples were collected from 63 horses presented for arthroscopic removal of osteochondral fragments in the tarsocrural joint. Prior to removal of the osteochondral fragment, an exploration of the joint was performed and an inflammatory and degenerative score was determined. The BKM120 blood and synovial levels of Coll2-1, Coll2-1NO(2) and MPO were also measured. The effects of the arthroscopic evaluation (inflammatory and degenerative classes) on the blood and synovial markers were evaluated using a linear model (GLM procedure), and correlations between biochemical markers in the blood and synovial fluid and the arthroscopic evaluation (inflammatory and degenerative classes) were established (Pearson’s correlations).

Results: Significantly higher levels of Coll2-1 were detected in synovial fluid of higher degenerative classes. There was a significant correlation between he degenerative score and the synovial levels of Coll2-1 (r = 0.27). According to the logistic regression model, there was a significant effect of the degenerative class on synovial levels of Coll2-1.

Conclusions: Coll2-1 correlates well with the degenerative

state of tarsocrural joints as evaluated by arthroscopy. This marker can therefore be classified as a burden-of-disease SB202190 nmr marker in the assessment of joint disease in horses. (C) 2011 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.”
“Bisphenol A (BPA), a monomer of polycarbonate plastics and epoxide resin, acts as an endocrine-active compound and has been shown to enhance the inflammatory response to allergen challenge. Previous reports in rodents have demonstrated that perinatal BPA exposure alters airway inflammation following sensitization and challenge to ovalbumin in juvenile and adult offspring. Additionally, a high concentration of BPA has been shown to enhance mediator release in mast cell lines.

The result is increased morbidity and mortality Our aims were to

The result is increased morbidity and mortality. Our aims were to investigate this phenomenon, known as therapeutic inertia, in patients with dyslipidemia and ischemic heart disease, and to determine its possible causes.

Methods. Design: national, Vorinostat nmr multicenter, observational study of data obtained from physicians by questionnaire and from the clinical records of patients with ischemic heart disease. Main variable: therapeutic inertia during a consultation, defined as treatment remaining the same despite a change being indicated

(e.g. low-density lipoprotein cholesterol >100 mg/dl or >70 mg/dl in diabetics). Covariates: physician, patient and consultation characteristics. Statistical analysis:

multivariate logistic regression analysis of factors associated with therapeutic inertia during a consultation.

Results. Overall, 43% of consultations involved therapeutic inertia, and an selleckchem association with coronary risk factors, including diabetes, did not result in a change in treatment. Therapeutic inertia occurred more frequently when there was a long time between the diagnosis and treatment of dyslipidemia and that of ischemic heart disease. Undertreatment was particularly common in women despite a greater overall risk. The more experienced physicians treated CA4P clinical trial younger patients more appropriately. Clinical practice was improved by educational sessions at conferences.


Therapeutic inertia was common in patients with chronic ischemic heart disease and dyslipidemia, irrespective of overall cardiovascular risk. Factors associated with the patient, disease and physician had an influence.”
“To confirm the central role of antenatal echocardiography and necropsy in the prenatal diagnosis of rare congenital heart defects.

A 33-year-old woman undergoing second trimester scan using 2D transabdominal and Doppler sonography.

The echocardiographic examination showed, at the level of the four-chamber view, a predominant left ventricle with a rudimental right ventricle and a single artery emerging with failed visualization of the pulmonary trunk: a diagnosis of truncus arteriosus communis associated with tricuspid atresia and hypoplastic right heart was made. No other ultrasound-associated anomalies were seen. Fetal karyotype and 22q11.2 microdeletion for Di George syndrome were sought using cordocentesis performed at 21 weeks and both the results were normal. After extensive counselling, the couple opted for termination of pregnancy at 22 weeks gestation. Necroscopy confirmed the prenatal ultrasound diagnosis.

Between the two-year and five-year follow-up visits, no significa

Between the two-year and five-year follow-up visits, no significant changes were observed with regard to the average percent correction of the major Cobb angle (56% +/- 11% and 52% +/- 14%, respectively), average total lung capacity as a percent of the predicted value (95% +/- 14% and 91% +/- 10%), and the average total SRS-24 score (4.2 +/- 0.4 and 4.1 +/- 0.7). Radiographic

evaluation of intervertebral fusion at five years revealed convincing evidence of a fusion with remodeling and trabeculae present at 151 (97%) of the 155 instrumented motion segments. No postoperative infections or clinically relevant neurovascular complications were observed. Rod failure occurred in three patients, and three patients required a surgical revision with posterior spinal instrumentation and fusion.

CONCLUSIONS: Thoracoscopic IWR-1-endo Stem Cells & Wnt inhibitor anterior instrumentation for main thoracic idiopathic scoliosis results in five-year outcomes comparable with those reported previously for open anterior and posterior techniques. The radiographic findings, pulmonary function, and clinical measures remain stable between the two and five-year follow-up time points. Thoracoscopic instrumentation provides a viable alternative to treat spinal deformity; however, the risks of pseudarthrosis, hardware failure, and surgical

revision should be considered along with the advantages of limited muscular dissection and improved scar appearance.”
“Bronchoscopic lung volume reduction using endobronchial valves has been suggested as a potentially ML323 supplier safer alternative to surgery in selected cases. Complications of this technique include pneumothoraces, pneumonia, COPD exacerbations, hemoptysis, and valve migrations. We report the case of a male patient who developed a parenchymal mass in the treated lobe after valve insertion. Due to severe emphysema, transthoracic needle aspiration

was not feasible. Removal of the valves was mandatory to perform transbronchial-biopsies which revealed a non-small cell primary lung cancer. This first description illustrates the potential risk of lung cancer development following bronchoscopic lung volume reduction and highlights the different approach to diagnosis and management of indeterminate peripheral lung lesions needed in this context. Copyright (C) 2011 S. Karger AG, Basel”
“OBJECTIVE: To review the literature concerning the efficacy of early ultrasonography (at 11-14 weeks of gestation) to identify fetal malformations.

DATA SOURCES: A search in PubMed, MEDLINE, Embase, Cochrane Library, and was performed (January 2000 to December 2012). Keywords were: fetal anatomy, fetal echocardiography, nuchal translucency, fetal structural anomalies, fetal malformations, prenatal diagnosis, prenatal screening, and first-trimester ultrasonography.

Conclusions-Molecular and functional evidence implicated loss-of-

Conclusions-Molecular and functional evidence implicated loss-of-function KCNJ8 mutations as a novel pathogenic mechanism in SIDS, possibly by predisposition of a maladaptive

cardiac response to systemic metabolic stressors akin to the mouse models of KCNJ8 deficiency. (Circ Cardiovasc Genet. 2011; 4:510-515.)”
“There is preliminary evidence that the Selleck BMS-777607 local renin-angiotensin system (RAS) could affect neoplastic hematopoiesis. The aim of this study is to search messenger RNA (mRNA) expressions of the essential RAS elements in myeloid and lymphoid hematological neoplastic disorders. Forty-six patients with newly diagnosed myeloid (AML, biphenotypic leukemia, CML) or lymphoid (CLL, NHL, B-ALL, T-ALL) hematological this website disorders were included in the study. In the lymphoid group, the median expression values of RENIN, ACE1, ACE2 and ANGIOTENSINOGEN (ANGTS) mRNAs were 1.96%, 0.42%, 0.00% and 0.00%, respectively; in the myeloid group, 0.73%, 1.55%, 0.04% and 0.006%, respectively. In the lymphoid group, RENIN levels were significantly higher (p = 0.001), whereas ACE1 and ACE2 levels were significantly higher in the myeloid group (p values were 0.013 and 0.010, respectively). ANGTS levels were similar in both groups. In patients with non-ALL lymphoid malignancies, RENIN expressions were significantly higher when compared to ALL patients (p

= 0.004). All patients with active disease had significantly higher RENIN mRNA expression levels than patients without active disease (2.03% vs 0.30%) (p = 0.034). The result of our present study indicates that the activities of local RAS may differ in distinct disease states such as leukemia and lymphomas.”
“Bilateral lesions in the Ventromedial nucleus of hypothalamus (VMH) cause hyperphagia and a preference for high lipid, high carbohydrate diet. Reversible lesion by procaine microinfusion produces a decrease in serum glucose and immunoreactive insulin levels. In the present study the effect of procaine microinfusion on feeding behavior and taste preference was observed.

5 h and 24 h food intake, water intake and weekly body weight of the rats was measured. Three bottle preference test was used to study the diet preferences. The 24 h food intake was found to be significantly more on 1(st), 2(nd) and 3(rd) day (41 +/- 6.03, 38.83 +/- 6.17 and 33.66 +/- 5.88 g/day, respectively) of procaine injection. There was also a significant increase in food intake at 0.25 h (4.166 +/- 2.04 g) and 1 h (5 +/- 0 g) as compared to saline group (0 +/- 0 g at 0.25 h and 0.83 +/- 2.04 g at 1 h). Post procaine water intake and body weight for seven days was not statistically significantly when compared to pre-lesion values. In the three bottles preference test, after procaine microinfusion there was a significantly increased preference for 20% sucrose and 0.15% saccharin than quinine and citric acid.

SETTING: Refractive Surgery Service, Moorfields Eye Hospital, Lon

SETTING: Refractive Surgery Service, Moorfields Eye Hospital, London, United Kingdom.

METHODS: The variance in the 3-month postoperative manifest refraction spherical equivalent (MRSE) results in 295 consecutive cases of myopic wavefront LASIK treated with a nonsystematic,

intuitive approach to pretreatment adjustment of the ablation sphere was compared with the variance Hippo pathway inhibitor in modeled results obtained by back-calculation using 4 systematic strategies: (1) no adjustment (No Adj), (2) addition of the difference between the preoperative MRSE and the preoperative 4.0 mm pupil wavefront refraction spherical equivalent (WRSE) (4.0 mm), (3) addition of the difference between the preoperative MRSE and the preoperative maximum pupil WRSE (Max), and (4) addition of the difference between the preoperative MRSE and the preoperative effective blur (EB). The EB is a theoretical value for the dioptric SE of all aberrations at the pupil size calculated for the Hartmann-Shack images acquired (wavefront diameter). A stratified analysis of results for different wavefront diameters was also performed.

RESULTS: Variance in the postoperative MRSE was least (0.116) when nonsystematic, intuitive adjustments to the ablation sphere were used. In ascending order, the back-calculated variance was as follows: EB (0.142; P = .09, Bartlett test), 4.0 mm pupil (0.163; P = .004), No Adj (0.171;

P = .001), and Max (0.225; P<.0001). There was a strong trend toward reduced variance in results in patients A1155463 with a larger wavefront diameter.

CONCLUSION: Back-calculation to model results with different pretreatment ablation adjustment strategies may be

useful to eliminate unpromising new approaches before clinical trials.”
“Glomerular diseases and obstructive uropathies are the two most frequent causes of chronic kidney disease (CKD) in children. Recently, biomarkers have become a focus of clinical research as potentially useful diagnostic tools in pediatric renal diseases. Among several putative biomarkers, chemokines emerge as promising molecules since they play relevant roles in the pathophysiology of pediatric renal diseases. The evaluation buy PRT062607 of these inflammatory mediators might help in the management of diverse renal diseases in children and the detection of patients at high risk to develop CKD. The aim of this paper is to revise general aspects of chemokines and the potential link between chemokines and the most common pediatric renal diseases by including experimental and clinical evidence.”
“We have investigated the correlation between magnetic and structural properties in exchange coupled polycrystalline CoO/Fe thin films. It has been found that an increase in interface roughness increases the exchange bias field as well as the coercivity. The magnetization reversal mechanism is also influenced by the interfacial morphology.