Materials and Methods

Tests are subjected to a stepwis

Materials and Methods

Tests are subjected to a stepwise evaluation (step 1). vCJD tissue Epacadostat homogenates spiked into pooled human plasma (step 2). Blood samples from animals known to be incubating (Transmissible spongiform encephalopathy) TSE disease (scrapie/Bovine Spongiform encephalopathy (BSE)-infected sheep, BSE-infected primates) and appropriate controls (step 3). Fresh or frozen plasma from normal UK blood donors and (step 4). Plasma samples from individuals with confirmed

clinical stage variant CJD (transfusion transmission) or sporadic CJD (no evidence of blood transmission).

Results

The assay evaluated performed with good sensitivity with vCJD-spiked tissue homogenates, poor sensitivity for ovine TSE-infected blood samples and failed with plasma from BSE-infected non-human primates and with true vCJD clinical samples.

Conclusions

The test evaluated here is currently unsuitable for use in blood donor screening or diagnosis using blood.”
“Purpose of review

The advent of robotic-assisted radical prostatectomy purported fewer complications including postprostatectomy incontinence (PPI). PPI is associated with worse quality of life. We evaluate recently reported robot-assisted radical prostatectomy surgical techniques aimed at limiting PPI, describe their anatomic basis and summarize their outcomes.

Recent findings

RARP techniques to reduce PPI include bladder neck

preservation, bladder neck reconstruction, urethral length preservation, periurethral suspension stitch, posterior reconstruction, combined

anterior and posterior reconstruction, preservation of the endopelvic JQ1 ic50 fascia, complete anterior preservation, selective suturing of dorsal venous complex and nerve sparing approach. Outcomes of reconstructive techniques seem to be conflicting, whereas outcomes of techniques aiming to preserve the native urinary continence system seem to hasten urinary function recovery. However, few of these techniques have been shown to affect long-term urinary continence.

Summary

Surgical techniques preserving the natural urinary continence mechanism appear to improve short-term urinary continence, whereas techniques reconstructing EPZ-6438 pelvic anatomy have mixed results. The search for the ideal technique to minimize PPI remains hampered by the lack of prospective multi-institutional studies and the long-term follow up. Although reconstructive techniques are safe with few drawbacks, meticulous surgical technique and preservation of the natural continence mechanism should remain the mainstay of PPI prevention.”
“Aim: This study was undertaken to evaluate the impact of grandmultiparity on obstetric outcome in a low resource setting.

Material & Methods: Two hundred and eighty-two antenatal grandmultiparous women (parity >= 4) were compared with consecutive 564 antenatal women with parity 1-3.


“In this paper, a new type of left-handed (LH) transmissio


“In this paper, a new type of left-handed (LH) transmission line is proposed. It is composed of a parallel embedded inductance and a series interdigital capacitor based on a coplanar-waveguide (CPW) transmission line. According to medium theory, the effective permittivity and permeability of LH CPW transmission line have been extracted. The characteristics of LH transmission line have been

verified by calculating beta parameter of the CPW transmission line. Then, an equivalent circuit model of LH CPW transmission line is extracted and the validity of the model is demonstrated by full-wave simulation. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3368112]“
“This prospective study was approved by the local institutional ethics committee, and written informed consent was obtained from all patients. selleck screening library The aim of this study was to determine whether the oral administration signaling pathway of a polyethylene glycol (PEG)-electrolyte

solution induces adequate luminal distention for magnetic resonance (MR) colonography to be performed and to assess patient acceptance of this procedure. Fifty-five patients (26 women, 29 men; mean age, 60.5 years +/- 14 [ standard deviation]; age range, 40-75 years) who were referred for optical colonoscopy (OC) owing to symptoms and findings that included rectal bleeding, altered bowel habits, and positive fecal occult blood test results participated in this study. Standard bowel preparation was performed 1 day before the procedure. MR colonography was performed and followed by OC on the same day. Before undergoing MR colonography, the patients received 2.0-2.5 L of the PEG-electrolyte solution orally. Adequate distention of all colonic segments was achieved in 50-53 (91%-96%) of patients imaged in the supine position JNK-IN-8 mw and in 51-53 (93%-96%) of patients imaged in the prone position. Oral administration of the solution yielded uniform luminal darkening and sufficient colonic distention for MR colonography in 91%-96% of patients. (C) RSNA,

2009″
“We optimized the alloy compositions by modifying the Nb content in [(Fe(0.5)Co(0.5))(0.75)B(0.20)Si(0.05)](100-x)Nb(x)(x=3.6-4.4) alloy system. As a result, it was found that the Nb content of 4.3 at. % was effective for approaching alloy to a eutectic point. By copper mold casting, [(Fe(0.5)Co(0.5))(0.75)B(0.20)Si(0.05)](95.7)Nb(4.3) bulk glassy alloy rods with diameters up to 4 mm were successfully synthesized even using commercial raw materials. These glassy alloys exhibit a rather high saturation magnetization of 0.77 T and low coercive force of 2.5 A/m. (C) 2010 American Institute of Physics. [doi:10.1063/1.3350898]“
“Purpose: To characterize certain aspects of the microscopic structures of cortical and trabecular bone by using Fourier x-ray scattering imaging.

The microlatex particle size of two surfactant systems increased

The microlatex particle size of two surfactant systems increased with higher conversion rate and reaction temperature, which synchronized with initiator concentration. High polymer solid content was contributed mainly by IBMA monomer ratio requiring higher amounts of anionic surfactants and 2-HEMA as a cosurfactant in particle stabilization. Although the optimum ink containing high IBMA microemulsion exhibited small variation in viscosity, pH value and EPZ5676 mw surface tension, disperse dyes in four colors had different interaction with the microlatex to demonstrate

distinct printing durability and color performance. The resulted cotton fabric attained high K/S value for color strength, great AATCC grade for color fastness, and nearly zero color difference for negative dye particle diffusion or migration. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 1872-1881, 2011″
“The effect of Si-nanocrystal (Si-nc) size distribution on Raman spectrum is studied in detail within the framework of a phonon confinement model. It is found that size distribution has little effect on Raman frequency shift, but greatly affects the width and shape of Raman spectrum. Si-nc Raman spectrum can be well explained by considering the size distribution. Furthermore, a set of simple

relationships between Raman frequency CH5424802 research buy shift/full width at half maximum (FWHM) and size distribution is set up based on the framework of a modified phonon confinement model, which can be applied to calculate Si-nc size distribution from the Raman spectrum. (C) 2011 American Institute of Physics. [doi:10.1063/1.3569888]“
“To check details compare two kind of resin-based dental composites, the polymerization shrinkage,

contraction stress (CS), and degree of conversion (DC) of four dimethacrylate-based and one silorane-based composite were investigated. To determine shrinkage, the composites were packed, respectively, into a cylindrical cavity in human teeth and imaged using X-ray microcomputed tomography to determine the precise volume before and 30 min after photopolymerization. To determine CS, the sample was applied in a similarly sized cylinder in a universal testing machine and monitored for 30 min. FTIR spectroscopy was used to determine DC. The volumetric shrinkage (range: 1.1-3.1%) and maximum CS (range: 1.2-3.5 MPa) differed significantly among the tested composites but not the final DC (range: 62.3-69.1%). The silorane-based composite displayed the lowest volumetric shrinkage and CS of all composites. No correlation was observed between the stress and volumetric shrinkage values of the dimethacrylate-based composites. A moderate correlation was found between stress and DC (r = 0.836), which was significant at 20 and 40 s.

Methods Between January 2001 and December 2010, 48 patients suffe

Methods Between January 2001 and December 2010, 48 patients suffering from VVF were managed through

the transabdominal route.

Results The success rate following first repair was 87.5%. Patients who failed the first repair (n=6) were managed again by the transabdominal route (second attempt). Two of these patients were cured, while another patient was cured after prolonged catheter drainage. One patient was managed by ureterosigmoidostomy (Mainz II) pouch but died after 6 months. The remaining two patients refused further treatment and were lost to follow-up.

Conclusions Transabdominal repair of VVF in properly selected patients results in satisfactory treatment outcome.”
“Purpose: To examine the influence of apoliprotein E epsilon 4 allele (APOE 4) carrier status on disease progression by evaluating the rate of selleck kinase inhibitor regional gray matter (GM) volume loss and disease severity in patients with newly diagnosed Alzheimer disease (AD) and stable amnestic mild cognitive impairment (MCI).

Materials and Methods: This study was approved

by the institutional review board and was HIPAA compliant. All subjects or their legal representatives gave informed consent for participation. Ninety-five subjects (63 male; average age, 77.1 years; age range, 58-91 years; 51 APOE4 carriers; 44 noncarriers) with either documented MCI to AD conversion or stable amnestic MCI underwent three yearly magnetic resonance imaging examinations. Voxel-based Compound C morphometry for image postprocessing and Clinical Dementia Rating (CDR) scale for cognitive assessment were used.

Results: In APOE 4 carriers, GM volume loss affected the hippocampi, temporal and parietal lobes, right caudate nucleus, and insulae in patients with MCI to AD conversion and the insular and temporal lobes in Ricolinostat patients in whom MCI was stable. In subjects who were not APOE 4 carriers, there was no significant GM volume change. There were no differences in CDR scores between APOE 4 carriers and noncarriers.

Conclusion: APOE 4 carriers with cognitive decline undergo faster GM atrophy than do noncarriers. The involvement of APOE 4 in the progression of

hippocampal atrophy, neocortical atrophy, or both has potential important implications for diagnosis and therapeutic approaches in patients with AD and should be considered in clinical trials. The present results and the results of prior studies indicate that the rate of hippocampal and neocortical atrophy is greater in association with APOE 4 in nondemented elderly subjects, subjects with MCI, and those with AD. (C)RSNA, 2010″
“Introduction and hypothesis This study aims to compare pre-operative Pelvic Organ Prolapse Quantification (POP-Q) point C with and without cervical traction to that obtained intra-operatively in women undergoing pelvic organ prolapse surgery and to assess acceptability of examination with cervical traction without anaesthesia.

meliloti interactions is proposed (C) 2011 Elsevier

Mass

meliloti interactions is proposed. (C) 2011 Elsevier

Masson SAS. All rights reserved.”
“Visual attention is thought to be driven by the interplay between low-level visual features and task dependent information content of local image regions, as well as by spatial viewing biases. Though dependent on experimental paradigms and model assumptions, this idea has given rise to varying claims that either bottom-up or top-down mechanisms dominate visual attention. To contribute toward a resolution of this discussion, here we quantify the influence of these factors and their relative importance in DMH1 a set of classification tasks. Our stimuli consist of individual image patches (bubbles). For each bubble we derive three measures: a measure of salience based on low-level stimulus features, a measure of salience based on the task dependent information content derived from our subjects’ classification responses and a measure of salience based on spatial viewing biases. Furthermore, we measure the empirical salience of each bubble based on our subjects’ measured eye gazes thus characterizing the overt

visual attention each bubble receives. A multivariate linear model relates selleck the three salience measures to overt visual attention. It reveals that all three salience measures contribute significantly. The effect of spatial viewing biases is highest and rather constant in different tasks. The contribution of task dependent information is a close runner-up. Specifically, in a standardized task of judging facial expressions it scores highly. The contribution of low-level features is, on average, somewhat lower. However, in a prototypical search task, without an available template, it makes a strong contribution on par with the two other measures. Finally, the contributions of the three factors are only slightly redundant, and the semi-partial correlation coefficients are only slightly lower than the coefficients for full correlations. These data provide evidence that all

three measures make significant and independent contributions and that none can be neglected in a model of human overt visual attention.”
“Background: Scarce data are available on Plasmodium falciparum anti-malarial drug resistance in Pakistan. The aim of this study was, therefore, to determine the prevalence of P. falciparum resistance associated polymorphisms in field isolates from southern Pakistan.

Methods: Mdm2 inhibitor Blood samples from 244 patients with blood-slide confirmed P. falciparum mono-infections were collected between 2005-2007. Single nucleotide polymorphisms in the P. falciparum chloroquine resistance transporter (pfcrt K76T), multi drug resistance (pfmdr1 N86Y), dihydrofolate reductase (pfdhfr A16V, N51I, C59R, S108N, I164L) and dihydropteroate synthetase (pfdhps A436S, G437A and E540K) genes and pfmdr1 gene copy numbers were determined using PCR based methods.

Results: The prevalence of pfcrt 76T and pfmdr1 86Y was 93% and 57%, respectively.

Methods: An animal model of ANSD was created by

rearing m

Methods: An animal model of ANSD was created by

rearing mice in noise. MOCS protection was assessed by comparing the incidence of noise-induced ANSD among knockout mice lacking feedback and wild-type (WT) controls. The mice were screened for ANSD with distortion product otoacoustic emissions, auditory brainstem responses, and behavioral measures of gap detection. Single-unit recording procedures were used to link these deficits to impaired synaptic transmission in the ventral cochlear nucleus.

Results: Blebbistatin ANSD manifested in noise-reared mice as intact distortion product otoacoustic emissions, abnormal auditory brainstem responses, and impaired gap detection. The phenotype was not observed among quiet-reared WT mice but was occasionally noted among noise-reared WT mice. The incidence of ANSD significantly increased among knockout mice, especially when they were reared in noise.

Conclusion: Noise promotes ANSD by altering the functional maturation of the brain’s temporal pathways. Noise-induced impairments are reduced by the sound-attenuating effects of the MOCS. Noise levels do not need to be unnaturally loud to constitute significant risk in MOCS-compromised individuals.”
“Material and Methods. aEuro integral This was a retrospective cohort study,

conducted at the Aga Khan University Karachi, Pakistan over a period of 8-year period between January GS 1101 2000 and January 2008. We reviewed 287 medical records of all women who had intrauterine fetal demise during study time period.

Results. aEuro integral The prevalence of still births at our institution 3-deazaneplanocin A was 6.6 aEuroS +/-+/- aEuroS2.1 per 1000 total births. Congenital anamolies, maternal hypertension, and fetal growth restrictions were the three main causes of still births. About half of still births were among unbooked pregnant women. More than 90%% of occurred during the ante natal period while

10%% were intrapartum. Majority of stillborns were in macerated state when delivered.

Conclusion. aEuro integral Most of still births were due to known causes such as hypertension, congenital anomalies, and fetal growth restriction. Improvement in the management of hypertension and diagnosis of congenital anomalies is necessary. Results of the analysis urge on the need for antenatal care and compliance for follow-ups.”
“Delayed presentation of ventricular septal defect (VSD) is common in developing countries. Such patients often have severe pulmonary arterial hypertension (PAH), which increases post-operative morbidity and mortality. To address these problems, we used our technique of unidirectional valved patch (UVP) for closure of VSD. Between January 2006 and December 2010, 17 patients (age 2-23 years, median 9 years) with a large VSD and severe PAH underwent VSD closure with UVP. Pre-operative mean indexed pulmonary vascular resistance (PVRI) was 10.9 +/- 2.

1-12) Intrathoracic disease was present in 294 (75%) children

1-12). Intrathoracic disease was present in 294 (75%) children

and extrathoracic disease in 98 (25%). The Beijing genotype was the most prevalent (32.9%), followed by the Latin American Mediterranean (LAM, 28.8%), and S genotypes (6.4%). Age was significantly associated with genotype. Children with the Beijing (OR = 2.36, 95%CI 1.21-4.60) and S genotypes (OR = 3.47, 95%CI 1.26-9.56) were more likely to have extrathoracic disease compared to children infected with the LAM genotype, in analyses adjusted for age and drug resistance.

CONCLUSIONS: TB genotype and disease phenotype in children were associated. Beijing and S genotypes were more frequently cultured from extrathoracic cultures, indicating potential improved ability to disseminate. Strain-related phenotypes could explain different disease spectra in geographic settings where certain strains are MAPK Inhibitor Library successful. Studies

of mycobacterial human interaction should consider host immune responses, clinical and epidemiological factors.”
“Dermatologic toxicities associated with anticancer-targeted therapy include hand-foot skin reactions, vasculitis, cutaneous epithelial proliferations, such as keratosis, keratoacanthoma, and invasive squamous cell carcinoma. In this case report, we describe alterations of tumor morphology and patterns of cyclin-dependent kinase inhibitor (CDKI) expression in a patient who received GSK2118436, a second-generation RAF inhibitor, for stage selleck compound IV (M1c) metastatic melanoma. To explore the effects

of GSK2118436 on the expression patterns of CDKI (p16(INK4a), p21(CIP1), p27(KIP1), p57(KIP2)), we immunohistochemically evaluated in vivo melanoma cells pre- and posttreated with GSK2118436. After GSK2118436 treatment, the melanoma cells decreased in size and demonstrated hyperchromatic nuclei and indistinct nucleoli. p16(INK4a) selleck chemicals llc was strongly expressed in the cytoplasm of pretreated melanoma cells and in the nucleus and cytoplasm in posttreated melanoma cells. Expression of both p27(KIP1) (nucleus) and p57(KIP2) (cytoplasm) was increased in posttreated melanoma cells and no significant difference in p21(CIP1) expression was noted in either pre- or posttreated tumor cells. These findings may help explain the molecular mechanisms by which tumor cells retain the ability to proliferate. The persistent activation of pro-oncogenic activities of CDKI (eg, p27(KIP1) and p57(KIP2)) and/or compartmentalization of p16(INK4a) in cytoplasm or nucleus may allow tumor cells to bypass BRAF-induced senescence mechanisms. Furthermore, awareness of changes in tumor morphology after treatment with RAF inhibitors may be helpful in histologic evaluation of the spectrum of dermatologic toxicity, which may occur on targeted therapy.”
“SETTING: National Tuberculosis Reference Laboratory, Addis Ababa, Ethiopia.

OBJECTIVES: To determine the drug susceptibility pattern of Mycobacterium tuberculosis isolates and to genetically characterise multidrug-resistant tuberculosis (MDR-TB) isolates.

We believe that all available options should be utilized in an in

We believe that all available options should be utilized in an integrated manner for the transplantation Salubrinal nmr of kidney transplant recipients who are at a high risk of antibody-mediated rejection.”
“Routine drain use after laparoscopic Roux-en-y gastric bypass (LRYGB) is still practiced

by many bariatric surgeons. After a patient in our program experienced intestinal obstruction secondary to a drain, we reevaluated our practice and hypothesized drains would be of no benefit and potentially harmful after LRYGB. Retrospective record review of all patients undergoing LRYGB from August 2005 to August 2009 was performed. As we changed our practice in December 2006, we have two comparable groups: one with Ruboxistaurin order a drain placed at surgery and one without. All operations were otherwise performed in an identical fashion by three fellowship-trained university surgeons. We compared outcomes between the two groups, particularly regarding gastrojejunal (GJ) leaks. Jejunojejunal (JJ) leaks, unlikely to be captured by these drains, were not studied. A total of 755 LRYGBs were performed during the study period, the

first 272 patients with routine drains and the subsequent 483 without. Demographics were statistically similar between the two groups. There were four GJ leaks in the drain group (1.47%) and three in the nondrain group (0.62%). C59 price Among the drain patients, two required operation and two were treated nonoperatively. Among the nondrain patients, two required operation and one was treated nonoperatively. The leak and reoperation rates between the groups were not statistically different (p = 0.154 and p = 0.514). Routine drains likely have no benefit after LRYGB. Clinical parameters such as tachycardia, fever, oliguria, and increasing

abdominal pain should guide further investigation for and treatment of a leak.”
“Background Contributions of age-period-cohort effects to increases in BMI and overweight among Chinese adults must be resolved in order to design appropriate interventions. The objectives were to (i) describe the period effect on BMI and overweight among Chinese adults from 1991 to 2009 and assess modification of this effect by age (e. g. cohort effect) and gender, and (ii) quantify the influence of household income and community urbanicity on these effects.

Methods Data are from the China Health and Nutrition Survey, a prospective sample across nine provinces in China; 53 298 observations from 18 059 participants were collected over a 19-year period. A series of mixed effects models was used to explicitly assess differences in BMI within individuals over time (age effect) and population-wide differences in BMI over time (period effect), and implicitly assess differences in the experienced period effect across individuals of varying ages (cohort effect).

Results: Of 214 participants, 176 (82%) reported an injection-sit

Results: Of 214 participants, 176 (82%) reported an injection-site reaction with pain (80%), erythema (22%), and swelling (19%) most frequently reported. A systemic reaction was reported by 169 of 214 (79%) with myalgia (66%), headache (42%), malaise (39%), and fever (9%) most frequently reported. The overall rate of solicited reactions was lower in the 6-dose group than in the 5-dose group (for injection-site reactions: 76.1% vs. 89.7%; for systemic reactions 72.6% vs. 86.6%). Significant differences were observed for injection-site pain, erythema, and for grade 1 or grade KU-57788 nmr 2 increases in arm circumference. Fever, myalgia, and headache

were reported at a significantly lower rate in the 6-dose group. Swelling >10 cm was observed in 5 patients (2%), 4 in the 5-dose group.

Conclusions: Tdap vaccine was safe when given to adolescents who had received

5 prior doses of acellular pertussis vaccine.”
“Background: Salvage high-intensity focused ultrasound (HIFU) and cryotherapy (CRYO) have emerged as interesting alternatives in the treatment of local radio-recurrent prostate cancer. Currently, recommendations concerning the use of CRYO and HIFU in the salvage setting are still evolving. Aim: The objective of this review was Barasertib research buy to analyze the results from studies on CRYO and HIFU as salvage treatment in local radio-recurrent prostate cancer. Materials and Methods: A National Center for Biotechnology Information PubMed search (www.pubmed.gov) was conducted from 1993 to 2011 using medical subject headings ‘High-Intensity Focused Ultrasound’, ‘Cryotherapy’, ‘Local Radio-Recurrent’ and ‘Prostate Cancer’. Results: In the

past years, there have been several published series demonstrating promising acceptable morbidity and oncological outcomes in the short term for HIFU and in the intermediate term for CRYO. The introduction of newer-generation devices and technical modifications has facilitated reduction of complications associated with the procedures. As with any salvage treatment, careful patient selection and subsequent follow-up are principal points. Conclusions: HIFU and CRYO are promising salvage treatments in patients with local radio-recurrent prostate cancer. The risk of significant complications in the salvage setting is higher compared with ABT-263 order primary therapy; therefore, the patients must be informed about the risk of complications and the modality of treatment. However, only further evaluation in formal prospective clinical trials will hopefully confirm their role in clinical practice. Copyright (c) 2012 S. Karger AG, Basel”
“SmNiO3 (SNO) thin films were deposited on LaAlO3 (LAO), SrTiO3, SrLaAlO4, Si, and Al2O3 (sapphire) substrates by RF magnetron sputtering and studies were conducted to understand how film structure and composition influence the insulator-metal transition properties. It is observed that the compressive strain induces the insulator to metal transition (MIT), while tensile strain suppresses it.

05) for several blood acid-base measurements In general, there w

05) for several blood acid-base measurements. In general, there was no effect of distance moved on these traits when pigs were previously handled gently. However, when pigs were previously handled aggressively, pigs moved 125 compared with 25 m had greater (P < 0.05) blood lactate and less (P < 0.05)

blood pH, bicarbonate, and base-excess. Pigs transported at 0.39 compared with 0.49 m(2)/pig had a greater (P < 0.01) increase in creatine kinase values; however, transport floor space did not affect any other measurements. Data were analyzed by the number of stressors (the aggressive handling, restricted transport floor space, and 125-m distance moved treatments) experienced by each pig (0, 1, 2, or 3). As the number of stressors experienced by the pig

increased, rectal temperature, blood lactate, and LM lactate increased linearly (P = 0.01), and blood pH, bicarbonate, and base-excess MGCD0103 inhibitor decreased linearly (P < 0.01). These data suggest that the stressors evaluated had additive effects on several indicators of metabolic stress responses in finishing pigs.”
“Developments in the resuscitation of the severely injured trauma patient in the last decade have been through the increased understanding of the early pathophysiological consequences of injury together selleck with some observations and experiences of recent casualties of conflict. In particular, the recognition of early derangements of haemostasis with hypocoagulopathy being associated with increased mortality and morbidity and the prime importance of tissue hypoperfusion as a central driver to this process in this population of patients has led to new resuscitation strategies. These strategies have focused on haemostatic resuscitation and the development of the ideas of damage control resuscitation

and damage control surgery continuum. This in turn has led to a requirement to be able to more closely monitor the physiological status, of major trauma patients, including their coagulation status, and react in an anticipatory fashion.”
“We study the effects of phonon boundary scattering on the transport of thermal energy in semiconductor thin films across multiple length scales and temperatures. We use a model based on the www.selleckchem.com/products/BMS-777607.html kinetic theory of transport processes that accurately calculates the reduction of the phonon mean free paths by including the effects of spatial location and propagation direction of phonons. We investigate how the effective phonon mean free paths and the resultant thermal conductivities are reduced by the film length scale and surface roughness. The thermal conductivities of silicon and germanium thin films are calculated for temperatures between 4 K and 500 K and thicknesses from nano to micro and good agreement is obtained with experimental measurements.