Mapping the Rectum: Spatial Analysis of Transanal Endoscopic Microsurgical Outcomes Using GIS Technology

Ganai, Sabha; Garb, Jane; Kanumuri, Prathima; Rao, Roshni S.; Alexander, Albert; Wait, Richard B.

doi:10.1016/j.gassur.2005.08.030

Cited by 12 publications

(6 citation statements)

References 18 publications

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“…Recent studies showed that GIS -in addition to their broad utility reviewed here -holds promise in capturing data on medicine usage (Ryan et al, 2005), as well as in organizing spatial information involving the distinction of anatomic relationships (Ganai et al, 2006). However, epidemiology remains the main application field of GIS in veterinary and public health and, since epidemiology is inextricably bound to "place", it seems reasonable to expect that GIS will further advance as science (Jacquez, 2000).…”

Section: Discussionmentioning

confidence: 98%

New insights into the application of geographical information systems and remote sensing in veterinary parasitology

et al. 2006

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IntroductionApplication of geographical information systems (GIS) and remote sensing (RS) in veterinary and human medical sciences, particularly in veterinary and human parasitology, is rapidly advancing. During the past 10-20 years the publication of original research articles and reviews in veterinary and human health with an emphasis on GIS and/or RS has followed an exponential trend (Hendrickx et al., 2004). In addition, recent GIS/RS symposia organized at national and international conferences, and several thematic issues on this topic published in the peer-reviewed international literature (e.g. special theme issues in Advances in Parasitology in 2000and Parassitologia in 2005) demonstrate the wide array of applications and benefits of these tools (Cringoli et al., 2005b). Furthermore, the raised interest about these new technologies is testified by the publication of thematic books pertaining GIS and RS, as well as international peer-reviewed journals, including the current launch of Geospatial Health.The establishment and maintenance of websites as a platform for sharing data, exchanging opinions, experiences and expertise on GIS and RS with an emphasis on animal and public health is also worth mentioning (e.g.http://www.gnosisgis.org; http:// www.gisvet.org).In this review, we first summarize general aspects of GIS and RS, and emphasize the most important applications of these tools in veterinary parasitology, including recent advances in territorial sampling. Disease mapping, spatial statistics, including Bayesian inference, ecological analyses and epidemiological surveillance are summarized in the next section and illustrated with a set of figures. Finally, a set of conclusions is put forward. Abstract. Over the past 10-15 years, significant advances have been made in the development and application of geographical information systems (GIS) and remote sensing (RS). In veterinary sciences, particularly in veterinary parasitology, GIS and RS offer powerful means for disease mapping, ecological analysis and epidemiological surveillance and have become indispensable tools for processing, analysing and visualising spatial data. They can also significantly assist with the assessment of the distribution of health-relevant environmental factors via interpolation and modelling. In this review, we first summarize general aspects of GIS and RS, and emphasize the most important applications of these tools in veterinary parasitology, including recent advances in territorial sampling. Disease mapping, spatial statistics, including Bayesian inference, ecological analyses and epidemiological surveillance are summarized in the next section and illustrated with a set of figures. Finally, a set of conclusions is put forward.

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Section: Discussionmentioning

confidence: 98%

New insights into the application of geographical information systems and remote sensing in veterinary parasitology

et al. 2006

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“…There are no previous studies demonstrating the utility of GIS in analysing the anatomy of VC and distribution pattern of extruded disc material in dogs. Starting from the GIS-based map of the human rectum and its importance in characterising the rectal lesions (Ganai et al, 2006;Garb et al, 2007), we hypothesised that it would be useful to characterise the VC and lesion pattern of EDH in dogs based on GIS. The two major points of the present study are: (i) anatomical description of VC in dogs based on GIS; and (ii) GIS-based representation of the pattern of the EDH extrusion.…”

Section: Discussionmentioning

confidence: 99%

“…However, it has more recently been shown to be useful also in approaching other types of analysis (Durr and Gatrell, 2004). For example, in human medicine, GIS has been demonstrated to be efficient in creating an anatomic dental chart (Bartling and Schleyer, 2003), an anatomical and radiological digital brain map (Juanes et al, 2012) as well as approaching the spatial analysis of the rectum (Ganai et al, 2006) and rectal lesions (Garb et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Using geographical information system for spatial evaluation of canine extruded disc herniation

et al. 2014

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Abstract. Disc herniation is one of the most common pathologies of the vertebral column in dogs. The aim of this study was to develop a geographical information system (GIS)-based vertebral canal (VC) map useful for spatial evaluation of extruded disc herniation (EDH) in dogs. ArcGIS ® was used to create two-dimensional and three-dimensional maps, in which the VC surface is divided into polygons by lines representing latitude and longitude. Actual locations and directions of the herniated disc material were assessed by a series of 142 computer tomographies of dogs collected between 2005 and 2013. Most EDHs were located on the cervical and transitional regions (thoraco-lumbar and lumbo-sacral) and shown at the level of the ventro-cranial and ventro-central polygons created. Choropleth maps, highlighting the distribution and the location/direction patterns of the EDHs throughout the VC, were produced based on the frequency of the ailment. GIS proved to be a valuable tool in analysing EDH in dogs. Further studies are required for biomechanical analysis of EDH patterns.

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“…Knowledge of location in the context of anatomic relationships is important for optimizing and limiting the time of operative intervention. Ganai et al (2006) developed a GIS-based approach to find the position of lesions selected for transanal endoscopic microsurgery. They applied and carried out spatial analysis accounting for regional position and clustering of lesions.…”

Section: Novel Trends In Applicationmentioning

confidence: 99%

Health research based on geospatial tools: a timely approach in a changing environment

Bergquist¹,

Rinaldi

2009

J. Helminthol.

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The possibilities of disease prediction based on the environmental characteristics of geographical areas and specific requirements of the causative infectious agents are reviewed and, in the case of parasites whose life cycles involve more than one host, the needs of the intermediate hosts are also referred to. The geographical information systems framework includes epidemiological data, visualization (in the form of maps), modelling and exploratory analysis using spatial statistics. Examples include climate-based forecast systems, based on the concept of growing degree days, which now exist for several parasitic helminths such as fasciolosis, schistosomiasis, dirofilariasis and also for malaria. The paper discusses the limits of data collection by remote sensing in terms of resolution capabilities (spatial, temporal and spectral) of sensors on-board satellites. Although the data gained from the observation of oceans, land, elevations, land cover, land use, surface temperatures, rainfall, etc. are primarily for weather forecasting, military and commercial use, some of this information, particularly that from the climate research satellites, is of direct epidemiological utility. Disease surveillance systems and early-warning systems (EWS) are prime examples of academic approaches of practical importance. However, even commercial activities such as the construction of virtual globes, i.e. computer-based models of the Earth, have been used in this respect. Compared to conventional world maps, they do not only show geographical and man-made features, but can also be spatially annotated with data on disease distribution, demography, economy and other measures of particular interest.

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Mapping the Rectum: Spatial Analysis of Transanal Endoscopic Microsurgical Outcomes Using GIS Technology

Cited by 12 publications

References 18 publications

New insights into the application of geographical information systems and remote sensing in veterinary parasitology

New insights into the application of geographical information systems and remote sensing in veterinary parasitology

Using geographical information system for spatial evaluation of canine extruded disc herniation

Health research based on geospatial tools: a timely approach in a changing environment

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