ABD Promos, August2015, Vol. 15, no.8

The ABD Promos Newsletter is produced monthly and details Division announcements, holiday schedules, broker promotions and a newly listed codes clip out section.

ABD Promos, September 2015, Vol. 15, no.9

The ABD Promos Newsletter is produced monthly and details Division announcements, holiday schedules, broker promotions and a newly listed codes clip out section.

ABD Promos, October 2015, Vol. 15, no.10

The ABD Promos Newsletter is produced monthly and details Division announcements, holiday schedules, broker promotions and a newly listed codes clip out section.

ABD Promos, November 2015, Vol. 15, no.11

The ABD Promos Newsletter is produced monthly and details Division announcements, holiday schedules, broker promotions and a newly listed codes clip out section.

Troponin-based risk stratification of patients with acute nonmassive pulmonary embolism: systematic review and metaanalysis.

BACKGROUND: Controversy exists regarding the usefulness of troponin testing for the risk stratification of patients with acute pulmonary embolism (PE). We conducted an updated systematic review and a metaanalysis of troponin-based risk stratification of normotensive patients with acute symptomatic PE. The sources of our data were publications listed in Medline and Embase from 1980 through April 2008 and a review of cited references in those publications. METHODS: We included all studies that estimated the relation between troponin levels and the incidence of all-cause mortality in normotensive patients with acute symptomatic PE. Two reviewers independently abstracted data and assessed study quality. From the literature search, 596 publications were screened. Nine studies that consisted of 1,366 normotensive patients with acute symptomatic PE were deemed eligible. Pooled results showed that elevated troponin levels were associated with a 4.26-fold increased odds of overall mortality (95% CI, 2.13 to 8.50; heterogeneity chi(2) = 12.64; degrees of freedom = 8; p = 0.125). Summary receiver operating characteristic curve analysis showed a relationship between the sensitivity and specificity of troponin levels to predict overall mortality (Spearman rank correlation coefficient = 0.68; p = 0.046). Pooled likelihood ratios (LRs) were not extreme (negative LR, 0.59 [95% CI, 0.39 to 0.88]; positive LR, 2.26 [95% CI, 1.66 to 3.07]). The Begg rank correlation method did not detect evidence of publication bias. CONCLUSIONS: The results of this metaanalysis indicate that elevated troponin levels do not adequately discern normotensive patients with acute symptomatic PE who are at high risk for death from those who are at low risk for death.

ABD Promos, December 2015, Vol. 15, no.12

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Road Safety Audit for US 52 in Dubuque County from IA 136 to the NCL of Dubuque, 2008

A section of US 52 between Dubuque and Luxemburg, Iowa, was listed in the top 5% of Iowa highways for severe crashes involving impaired drivers and single vehicle run-off-road crashes during 2001–2005, and several crashes have occurred on this roadway near the towns of Luxemburg, Holy Cross, and Rickardsville, Iowa, many on curves. Staff and officials from the Iowa Department of Transportation (Iowa DOT), Iowa State Patrol, Governor’s Traffic Safety Bureau, Federal Highway Administration, Center for Transportation Research and Education Dubuque County, and a retired fire chief met to review crash data and discuss potential safety improvements to U.S. Highway 52. This report outlines the findings and recommendations of the road safety audit team to address the safety concerns on this US 52 corridor and explains several mitigation strategies that the Iowa DOT District 6 Office has selected.

Road Safety Audit for US 6 from the ECL of Iowa City to the WCL of West Liberty in Johnson and Muscatine Counties, Iowa, 2008

Approximately 13.2 miles of US 6 in eastern Iowa extends from the east corporate limits of Iowa City, Iowa, to the west corporate limits of West Liberty, Iowa. This segment of US 6 is a service level B primary highway, with an annual daily traffic volume varying from 3,480 vehicles per day (vpd) to 5,700 vpd. According to 2001–2007 crash density data from the Iowa Department of Transportation (Iowa DOT), the corridor is currently listed among the top 5% of non-freeway Iowa DOT roads in several crash categories, including crashes involving excessive speed, impaired drivers, single-vehicle run-off-road, and multiple-vehicle crossed centerline. A road safety audit of this corridor was deemed appropriate by the Iowa Department of Transportation’s Office of Traffic and Safety. Staff and officials from the Iowa DOT, Iowa State Patrol, Governor’s Traffic Safety Bureau, Federal Highway Administration, Center for Transportation Research and Education, and several local law enforcement and transportation agencies met to review crash data and discuss potential safety improvements to this segment of US 6. This report outlines the findings and recommendations of the road safety audit team to address the safety concerns on this US 6 corridor and explains several selected mitigation strategies.

ABD Promos, January 2016, Vol. 16, no.1

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09012-009 Little River Lake Watershed Final Report

Little River Lake watershed is a 13,305 acre subwatershed of Little River. The 788 acre lake was listed as a 303d impaired water body in 2008 due to elevated turbidity and algae levels. The Decatur SWCD has prioritized water quality protection efforts within the Little River Lake watershed because 1) portions of this watershed has been identified as the primary contributor of sediment and nutrients to Little River Lake, which provides an essential source of drinking water for Decatur County and the Southern Iowa Rural Water Association; 2) the watershed provides exemplary education and project interpretation opportunities due to its proximity to Little River Lake Recreation Area, and 3) by using targeted and proven soil conservation practices to address water quality deficiencies the probability of successfully attenuating soil erosion and ameliorating water quality impairments is enhanced. The specific goals of this proposal are to: 1. reduce annual sediment, and phosphorous delivery to the lake by 11,280 tons and 14,664 lbs., respectively, via applications of conservation practices on targeted agricultural land; 2. delist the lake as an EPA 303d impaired water body via water quality enhancement; 3. obtain a “Full Support” status for the lake’s aquatic life and recreational use; 4. reduce potable water treatment costs (minimum 50% cost reduction) associated with high suspended solid levels; and 5. restore a viable sport-fish population, thereby bolstering tourism and the economy. To achieve timely project implementation the Decatur SWCD has cooperated with the IDNR Watershed Improvement Section, Fisheries Bureau, and IDALS-DSC to assess extant water quality and watershed conditions, coalesced a diverse team of committed partners and secured matching funding from multiple sources.

08005-002 Silver Lake Watershed Final Report

Silver Lake is located in an 18,053-acre watershed. The watershed is intensively farmed with almost all of the wetlands being previously drained or degraded over the last 50 years. Silver Lake is listed on the State of Iowa’s impaired water bodies list due to sediment and high nutrient level. Silver Lake is also known be in the bottom 25 percentile of Iowa’s lakes due Secchi disk readings and Chlorophyll a level. Farming in the watershed is the principle concern and cause for many of the problems occurring in Silver Lake currently with 78% of the watershed being intensively farmed. There are two major drainage ditches that have been used to drain the major wetlands and sloughs that, at one time, filtered the water and slowed it down before it reached Silver Lake. With these two major drainage ditches, water is able to reach the lake much faster and unfiltered than it once did historically. The loss of 255 restorable wetland basins to row crop production has caused serious problems in Silver Lake. These wetland basins once slowed and filtered water as it moved through the watershed. With their loss over the last 50 years that traditional drainage no longer occurs. We propose to create a Wetland Reserve Program incentive project to make WRP a more attractive option to landowners within the watershed. The incentive will be based on the amount of sediment delivery reduction to the lake, therefore paying a greater payment for a greater benefit to the lake. The expected result of this project is the restoration of over 250 acres of wetland basins with an associated 650 acres of upland buffers. The benefit for these wetlands and buffers would be reduced sediment, reduced nutrients, and slowed waters to the lake.

1014-008 Walnut Creek Watershed Final Report

In 2004, Walnut Creek was placed on the 303d list of Impaired Waters due to a low biotic index (lack of aquatic life) during IDNR stream sampling events. Sediment originating from agriculture, streambank erosion, and channelization were listed as the most likely sources impacting aquatic life. In an effort to address these concerns, a preliminary study was completed of the multi-county watershed to identify priority areas. A Watershed Development & Planning Assistance Grant was then funded by the IDALS-DSC to conduct a detailed assessment of these prioritized sub-watersheds. The impending assessment of the watershed and the stream corridor revealed ample opportunities to address gully, sheet and rill erosion while addressing in-stream water velocity issues that plagued the riparian corridor. A comprehensive plan was developed comprised of a variety of best management practices to address the identified concerns. In 2009, this plan was submitted to the WIRB Board by the East Pottawattamie and Montgomery SWCDs and $489,455 was awarded to address concerns identified during watershed assessment inquiries. Despite adverse weather conditions, which has hampered conservation construction recently, this project has held fast to pre-project goals due to the fortitude of the project sponsors and the overwhelming participation by the watershed landowners. Unfortunately, state budget shortfalls are bringing project progress to a halt. As specified in the original WIRB funding request, practice funding for Year 3 was to come from the Division of Soil Conservation’s Watershed Protection Fund (WSPF). Due to Iowa’s budgetary restraints, the Walnut Creek WSPF application, which was submitted this spring, was not funded since no new applications in the state were funded. If funded again, this grant will serve as the critical step in continuing what is destined to be a true watershed success story.

1233-015IJ Miller Creek Watershed Final Report

Miller Creek, a 19,926 acre watershed, is listed on the 2008 Section 303d Impaired Waters List. All indicators, as reported in the Miller Creek assessment, show that the impairment is due to nutrient and sediment delivery from upland runoff which contributes to elevated water temperatures, excessive algae, and low dissolved oxygen levels within the stream. The WIRB board provided implementation grant funds in 2010 for a three year project to treat targeted areas of 5 tons per acre or greater soil loss with an estimated reduction of 2,547 tons. As of December 1, 2012, with 95% of the funds allocated, the final results are estimated to provide a sediment delivery reduction of 4,500 tons and an estimated phosphorus reduction of 5,700 lbs per year. These accomplishments and the completion of the three year Miller Creek WIRB project represent "Phase I" of the SWCD's goals to treat the Miller Creek watershed. This application represents "Phase II" or the final phase of the Miller Creek water quality project. The Monroe SWCD plans to reduce sediment delivery by 70% on an additional 245 acres of priority land. This goal will be accomplished through installation of strategically placed structural practices, BMPs, and grazing systems. These practices will reduce soil loss, nutrient runoff, and sediment delivery as well as improve water quality and wildlife habitat in the watershed. Utilization of partnerships with NRCS and IDALS-DSC will continue to be an important part to the success of the project. Project goals will be achieved by utilizing matching funds from EQIP, and the Monroe SWCD has approved the use of District IFIP cost share funds specifically for use in the Miller Creek Watershed.

07017-006 Little Clear Lake Watershed Final Report

Little Clear Lake is a 162 acre natural lake located in the western part of Pocahontas County. The lake has a 375 acre watershed that is gently rolling with nearly 84% of the watershed in row crop production. The lake is listed on the Iowa DNR’s impaired waters list due to nutrients, siltation and exotic species (purple loosestrife). These impairments have been verified with in-lake monitoring and landowner conversations as well as watershed modeling. The watershed models estimates that the average sheet and rill erosion is 1.74 tons/acre/year and sediment delivery is .12 tons/acre/year with a total of 44 tons/year being delivered to Little Clear Lake. The goal of the Little Clear Lake Watershed Protection Plan is to (1) reduce sediment delivery to Little Clear Lake by 60%, or 26.5 tons annually, by installing best management practices within the watershed. Doing this will control nearly 100% of the of the lake’s drainage area; and (2) initiate an information and education campaign for residents within the Little Clear Lake watershed which will ultimately prepare the residents and landowners for future project implementation. In an effort to control sediment and nutrient loading the Little Clear Lake Watershed Protection Plan has included 3 sediment catch basin sites and 5 grade stabilization structures, which function to stabilize concentrated flow areas.

1008-003 White Oak Watershed Final Report

Whit Oak Lake was listed on the 2008 Section 303(d) List if impaired waters in four categories. The first phase of the project has already helped to affect approximately 60% of the watershed. There has been an estimated sediment reduction of 609 tons per year with phase one. The structure being planned for the South end of the lake, (phase two) will affect nearly all of the remaining 40%. If we can accomplish similar results, we can expect a sediment reduction of approximately 273 tons additional per year. We have been working with the Mahaska County NRCS office, Snyder & Associates (engineers) and private landowners in the watershed to make this project a reality.